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      "title_ru": "Ловушки переноса из русского",
      "description": "Correct recurring English and German structures that Russian speakers tend to transfer literally.",
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      "path": "RTR",
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        "C1-GRAMMAR"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/russian-speaker-transfer-traps/",
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      },
      "api_url": "https://metkagram.github.io/api/v1/sets/rtr.json"
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    {
      "id": "TRN",
      "slug": "transformations-and-reformulation",
      "title_en": "Transformations and reformulation",
      "title_ru": "Трансформации и переформулирование",
      "description": "Rebuild the same meaning with a different grammatical or discourse frame.",
      "level": "B2–C1",
      "path": "TRN",
      "pattern_count": 6,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/transformations-and-reformulation/",
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      "api_url": "https://metkagram.github.io/api/v1/sets/trn.json"
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    {
      "id": "FRM",
      "slug": "problem-framing-and-reframing",
      "title_en": "Problem framing and reframing",
      "title_ru": "Постановка и переопределение проблемы",
      "description": "Define the problem before solving it, expose hidden assumptions, and choose a more useful frame.",
      "level": "B2–C1",
      "path": "FRM",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-COMMUNICATE"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/problem-framing-and-reframing/",
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      },
      "api_url": "https://metkagram.github.io/api/v1/sets/frm.json"
    },
    {
      "id": "UNC",
      "slug": "reasoning-under-uncertainty",
      "title_en": "Reasoning under uncertainty",
      "title_ru": "Рассуждение в условиях неопределённости",
      "description": "Separate evidence from assumptions, calibrate confidence, and identify what information would change the conclusion.",
      "level": "B2–C1",
      "path": "UNC",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-COMMUNICATE"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/reasoning-under-uncertainty/",
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      },
      "api_url": "https://metkagram.github.io/api/v1/sets/unc.json"
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    {
      "id": "SYS",
      "slug": "systems-thinking",
      "title_en": "Systems thinking",
      "title_ru": "Системное мышление",
      "description": "Trace second-order effects, bottlenecks, local optimisation, and the drivers that keep a problem recurring.",
      "level": "B2–C1",
      "path": "SYS",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/systems-thinking/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/systems-thinking/",
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      },
      "api_url": "https://metkagram.github.io/api/v1/sets/sys.json"
    },
    {
      "id": "DEC",
      "slug": "decision-quality-and-trade-offs",
      "title_en": "Decision quality and trade-offs",
      "title_ru": "Качество решений и компромиссы",
      "description": "Compare options by explicit criteria, weigh the cost of delay, and preserve useful flexibility when certainty is impossible.",
      "level": "B2–C1",
      "path": "DEC",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/decision-quality-and-trade-offs/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/decision-quality-and-trade-offs/",
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      },
      "api_url": "https://metkagram.github.io/api/v1/sets/dec.json"
    },
    {
      "id": "CDG",
      "slug": "causal-diagnosis",
      "title_en": "Causal diagnosis",
      "title_ru": "Причинная диагностика",
      "description": "Separate triggers from causes, compare mechanisms, and diagnose causal structure without treating sequence as proof.",
      "level": "B2–C1",
      "path": "CDG",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/causal-diagnosis/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/causal-diagnosis/",
        "ru": "https://metkagram.github.io/ru/practice/sets/causal-diagnosis/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/cdg.json"
    },
    {
      "id": "HYP",
      "slug": "hypothesis-testing",
      "title_en": "Hypothesis testing",
      "title_ru": "Проверка гипотез",
      "description": "Turn explanations into testable predictions, seek discriminating evidence, and revise claims when the data require it.",
      "level": "B2–C1",
      "path": "HYP",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/hypothesis-testing/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/hypothesis-testing/",
        "ru": "https://metkagram.github.io/ru/practice/sets/hypothesis-testing/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/hyp.json"
    },
    {
      "id": "PST",
      "slug": "perspective-taking",
      "title_en": "Perspective taking",
      "title_ru": "Смена перспективы",
      "description": "Represent another viewpoint fairly, separate positions from interests, and locate the real source of disagreement.",
      "level": "B2–C1",
      "path": "PST",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-COMMUNICATE",
        "C1-FUNCTIONS"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/perspective-taking/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/perspective-taking/",
        "ru": "https://metkagram.github.io/ru/practice/sets/perspective-taking/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/pst.json"
    },
    {
      "id": "META",
      "slug": "metacognitive-learning",
      "title_en": "Metacognitive learning",
      "title_ru": "Метакогнитивное обучение",
      "description": "Notice what you recognise but cannot recall, diagnose recurring errors, and convert feedback into the next practice target.",
      "level": "B2–C1",
      "path": "META",
      "pattern_count": 5,
      "learning_path_ids": [
        "C1-CONTROL"
      ],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/metacognitive-learning/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/metacognitive-learning/",
        "ru": "https://metkagram.github.io/ru/practice/sets/metacognitive-learning/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/meta.json"
    },
    {
      "id": "GFA",
      "slug": "time-and-aspect",
      "title_en": "Time and aspect",
      "title_ru": "Время и вид действия",
      "description": "Compare how English and German express time and aspect. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/time-and-aspect/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/time-and-aspect/",
        "ru": "https://metkagram.github.io/ru/practice/sets/time-and-aspect/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfa.json"
    },
    {
      "id": "GFB",
      "slug": "modal-scope-and-past-inference",
      "title_en": "Modal scope and past inference",
      "title_ru": "Модальность и выводы о прошлом",
      "description": "Compare how English and German express modal scope and past inference. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/modal-scope-and-past-inference/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/modal-scope-and-past-inference/",
        "ru": "https://metkagram.github.io/ru/practice/sets/modal-scope-and-past-inference/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfb.json"
    },
    {
      "id": "GFC",
      "slug": "conditions-and-counterfactuals",
      "title_en": "Conditions and counterfactuals",
      "title_ru": "Условия и нереальные ситуации",
      "description": "Compare how English and German express conditions and counterfactuals. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/conditions-and-counterfactuals/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/conditions-and-counterfactuals/",
        "ru": "https://metkagram.github.io/ru/practice/sets/conditions-and-counterfactuals/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfc.json"
    },
    {
      "id": "GFD",
      "slug": "comparison-and-degree",
      "title_en": "Comparison and degree",
      "title_ru": "Сравнения и степень",
      "description": "Compare how English and German express comparison and degree. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/comparison-and-degree/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/comparison-and-degree/",
        "ru": "https://metkagram.github.io/ru/practice/sets/comparison-and-degree/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfd.json"
    },
    {
      "id": "GFE",
      "slug": "quantification-and-agreement",
      "title_en": "Quantification and agreement",
      "title_ru": "Количество и согласование",
      "description": "Compare how English and German express quantification and agreement. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/quantification-and-agreement/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/quantification-and-agreement/",
        "ru": "https://metkagram.github.io/ru/practice/sets/quantification-and-agreement/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfe.json"
    },
    {
      "id": "GFF",
      "slug": "negation-inversion-and-focus",
      "title_en": "Negation, inversion and focus",
      "title_ru": "Отрицание, инверсия и акцент",
      "description": "Compare how English and German express negation, inversion and focus. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/negation-inversion-and-focus/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/negation-inversion-and-focus/",
        "ru": "https://metkagram.github.io/ru/practice/sets/negation-inversion-and-focus/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gff.json"
    },
    {
      "id": "GFG",
      "slug": "relative-and-nominal-clauses",
      "title_en": "Relative and nominal clauses",
      "title_ru": "Относительные и именные придаточные",
      "description": "Compare how English and German express relative and nominal clauses. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/relative-and-nominal-clauses/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/relative-and-nominal-clauses/",
        "ru": "https://metkagram.github.io/ru/practice/sets/relative-and-nominal-clauses/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfg.json"
    },
    {
      "id": "GFH",
      "slug": "infinitive-tense-voice-and-subject-control",
      "title_en": "Infinitive tense, voice and subject control",
      "title_ru": "Время, залог и исполнитель инфинитива",
      "description": "Compare how English and German express infinitive tense, voice and subject control. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/infinitive-tense-voice-and-subject-control/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/infinitive-tense-voice-and-subject-control/",
        "ru": "https://metkagram.github.io/ru/practice/sets/infinitive-tense-voice-and-subject-control/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfh.json"
    },
    {
      "id": "GFI",
      "slug": "gerund-contrasts-and-participial-clauses",
      "title_en": "Gerund contrasts and participial clauses",
      "title_ru": "Герундий и причастные конструкции",
      "description": "Compare how English and German express gerund contrasts and participial clauses. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/gerund-contrasts-and-participial-clauses/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/gerund-contrasts-and-participial-clauses/",
        "ru": "https://metkagram.github.io/ru/practice/sets/gerund-contrasts-and-participial-clauses/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfi.json"
    },
    {
      "id": "GFJ",
      "slug": "passive-causative-and-perception",
      "title_en": "Passive, causative and perception",
      "title_ru": "Пассив, побуждение и восприятие",
      "description": "Compare how English and German express passive, causative and perception. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/passive-causative-and-perception/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/passive-causative-and-perception/",
        "ru": "https://metkagram.github.io/ru/practice/sets/passive-causative-and-perception/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfj.json"
    },
    {
      "id": "GFK",
      "slug": "reporting-and-clause-complements",
      "title_en": "Reporting and clause complements",
      "title_ru": "Косвенная речь и дополнения",
      "description": "Compare how English and German express reporting and clause complements. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/reporting-and-clause-complements/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/reporting-and-clause-complements/",
        "ru": "https://metkagram.github.io/ru/practice/sets/reporting-and-clause-complements/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfk.json"
    },
    {
      "id": "GFL",
      "slug": "questions-tags-and-ellipsis",
      "title_en": "Questions, tags and ellipsis",
      "title_ru": "Вопросы, хвостики и сокращения",
      "description": "Compare how English and German express questions, tags and ellipsis. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/questions-tags-and-ellipsis/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/questions-tags-and-ellipsis/",
        "ru": "https://metkagram.github.io/ru/practice/sets/questions-tags-and-ellipsis/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfl.json"
    },
    {
      "id": "GFM",
      "slug": "noun-phrases-and-reference",
      "title_en": "Noun phrases and reference",
      "title_ru": "Именные группы и отсылки",
      "description": "Compare how English and German express noun phrases and reference. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/noun-phrases-and-reference/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/noun-phrases-and-reference/",
        "ru": "https://metkagram.github.io/ru/practice/sets/noun-phrases-and-reference/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfm.json"
    },
    {
      "id": "GFN",
      "slug": "concession-cause-and-circumstance",
      "title_en": "Concession, cause and circumstance",
      "title_ru": "Уступка, причина, цель и обстоятельства",
      "description": "Compare how English and German express concession, cause and circumstance. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/concession-cause-and-circumstance/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/concession-cause-and-circumstance/",
        "ru": "https://metkagram.github.io/ru/practice/sets/concession-cause-and-circumstance/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfn.json"
    },
    {
      "id": "GFO",
      "slug": "german-led-grammatical-flexibility",
      "title_en": "German-led grammatical flexibility",
      "title_ru": "Немецкие конструкции и английские параллели",
      "description": "Compare how English and German express german-led grammatical flexibility. Practise reusable constructions with Russian translations.",
      "pattern_count": 20,
      "learning_path_ids": [],
      "canonical_url": "https://metkagram.github.io/en/practice/sets/german-led-grammatical-flexibility/",
      "page_urls": {
        "en": "https://metkagram.github.io/en/practice/sets/german-led-grammatical-flexibility/",
        "ru": "https://metkagram.github.io/ru/practice/sets/german-led-grammatical-flexibility/"
      },
      "api_url": "https://metkagram.github.io/api/v1/sets/gfo.json"
    }
  ]
}