Please answer the following question by reasoning step-by-step. Given the sentence "A man wearing a green safety vest is under a plane holding a hose." can we conclude that "A man is refueling a plane."?
Options:
- yes
- it is not possible to tell
- no. Step-by-step reasoning:
A man holding a hose under a plane is not necessarily refueling. So the answer is it is not possible to tell.