Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: A man is leaning on a wall is not necessary to be in red jacket.
 The question and answer:
Premise: "The man in the red jacket is taking a nap outside on a raised concrete wall."
Based on this premise, can we conclude that the hypothesis "A man is leaning on  a wall." is true?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell