Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The mechanic is explaining something refers to the physics of a bike to a registered nurse.
 The question and answer:
Test for natural language inference.
Premise: "A bike mechanic explains the physics of a bike to a registered nurse."
Hypothesis: "The mechanic is explaining something."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is yes