Q: If "Two men concentrate on drilling an apparatus while on an outside scaffold." does that mean that "Two tall men concentrate on drilling an apparatus."?
Options:
- yes
- it is not possible to tell
- no
A: Two men concentrate on drilling an apparatus while on an outside scaffold does not imply they are tall men.
The answer is it is not possible to tell.

Q: Premise: "A man mountain climbing hanging under a rock."
Based on this premise, can we conclude that the hypothesis "A man is laying on a bed." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man is either mountain climbing hanging under a rock or laying on a bed.
The answer is no.

Q: Can we conclude from "Two people stand beside a brightly lit railway passage." that "A stewardess serves coffee on the airplane."?
Options:
- yes
- no
- it is not possible to tell
A: People that stand beside a brightly lit railway passage cannot be the same people serving coffee on the airplane.
The answer is no.

Q: Given the sentence "A man in a gray coat is standing on a washed out bridge." can we conclude that "A man is standing on a washed out bridge after having lost everything in a flood."?
Options:
- yes
- it is not possible to tell
- no
A:
A man observing flood damage does not have to have lost everything.
The answer is it is not possible to tell.