[Q] Given the sentence "A street performer balances on a string while holding a violin." is it true that "A man is showing off his talents in front of a crowd."?
[A] A man doesn't mean street performer and showing off his talents doesn't mean the unique balancing on a string with a violin and he is in front of a crowd.
The answer is it is not possible to tell.

[Q] Given the sentence "Workmen and a tractor are behind concrete barricades and chunks of broken concrete." can we conclude that "Workmen are a tractor are in a open-field."?
Options:
- yes
- it is not possible to tell
- no
[A] The workmen can only either be in the open-field or behind the concrete.
The answer is no.

[Q] Premise: "A man in a hard hat is evaluating the situation around him."
Hypothesis: "A man is standing in a pool of pudding."
Do we know that the hypothesis entailed by the premise?
[A] The man can't be evaluating his situation and standing in a pool of pudding at the same time.
The answer is no.