[Q] Given the sentence "A man in a suit talking on a cellphone is walking behind a large sculpture of a pair of eyeglasses." is it true that "A tall human walking."?
[A] A man may be of any height and not necessarily tall.
The answer is it is not possible to tell.

[Q] Premise: "A bald man is covered in sawdust."
Based on this premise, can we conclude that the hypothesis "A bald man is working with a saw." is true?
Options:
- yes
- it is not possible to tell
- no
[A] The man doesn't need to be working with a saw in order to be covered in sawdust.
The answer is it is not possible to tell.

[Q] Given the sentence "A black and white dog is running between yellow poles." is it true that "A horse is jumping in an arena."?
[A] A dog and a horse are two different animals. Running and jumping indicate two different actions.
The answer is no.