QUESTION: Given the sentence "A man in midair holding his bike's handlebars." is it true that "The man is putting air in the tires of his bike."?

Let's solve it slowly: One cannot be in midair and putting air in the tires simultaneously.
The answer is no.

QUESTION: Premise: "A swanky."
Hypothesis: "Blond hipster walks past a man with car troubles."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The blond person will stop to help the person with car trouble.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Woman teaching young boy how to swim." can we conclude that "Man teaching young boy how to swim."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
It's either a woman or a man teaching the young boy to swim.
The answer is no.