Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: A man with a motorbike helmet does not mean he is on his way to work.
 The question and answer:
Premise: "A man waits at a crosswalk holding a motorbike helmet."
Based on this premise, can we conclude that the hypothesis "The man is on his way to work." is true?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell