How to choose: Are you ranking X as the leading explanation, or merely saying that current evidence has not eliminated it?
Core distinction
Use CLF053 when evidence makes X the best current explanation after considering alternatives. Use CLF055 when X only remains possible: 'cannot rule out' does not mean likely and does not rank X above other hypotheses.
First pattern · CLF053
The most likely explanation is that [X].
State the currently best explanation without pretending certainty.
Example: The most likely explanation is that the message arrived after the SLA window.
CLF055
Formula: We cannot rule out [X].
Example: We cannot rule out a source-side change.
Pattern Choice
Test the distinction before practising it
Situation · leading-explanation-after-comparison
You compared several plausible causes. An upstream identifier change now fits the evidence better than the alternatives, although it is not proven. State its current rank.
Choose a pattern
A · CLF053
The most likely explanation is that [X].
EN
The most likely explanation is that [X].
DE
Die wahrscheinlichste Erklärung ist, dass [X].
B · CLF055
We cannot rule out [X].
EN
We cannot rule out [X].
DE
Wir können [X] nicht ausschließen.
Reveal answer and explanation
Best-fit pattern: CLF053 · The most likely explanation is that [X].
Why it fits: Choose CLF053 because X is being ranked as the best current explanation after alternatives were considered, while uncertainty remains.
Why not the nearby pattern: CLF055 would only preserve the identifier change as a possibility. It would not communicate that it currently fits the evidence best.
A timing issue is still compatible with the evidence, but other explanations currently look stronger. Keep timing in consideration without ranking it as likely.
Choose a pattern
A · CLF053
The most likely explanation is that [X].
EN
The most likely explanation is that [X].
DE
Die wahrscheinlichste Erklärung ist, dass [X].
B · CLF055
We cannot rule out [X].
EN
We cannot rule out [X].
DE
Wir können [X] nicht ausschließen.
Reveal answer and explanation
Best-fit pattern: CLF055 · We cannot rule out [X].
Why it fits: Choose CLF055 because the evidence has not eliminated the timing hypothesis, but the scenario explicitly avoids ranking it as the leading explanation.
Why not the nearby pattern: CLF053 would say that timing is the most likely explanation, which is stronger than the evidence described here supports.
