[Q] Premise: "Female tennis player wearing yellow shorts."
Hypothesis: "Female tennis player wearing yellow shorts serves the ball."
Do we know that the hypothesis entailed by the premise?
[A] Wearing yellow shorts as a tennis player doesn't imply she serves the ball.
The answer is it is not possible to tell.

[Q] Given the sentence "2 wet boys in blue swimming suits." is it true that "Two boys at the city pool."?
[A] You can wear a swim suit and not be at the city pool.
The answer is it is not possible to tell.

[Q] Given the sentence "A man walks though an arch." can we conclude that "A girl sleeps on a bench."?
Options:
- yes
- it is not possible to tell
- no
[A] The sleeping Girl is in contradiction to the man in first sentence who is walking.
The answer is no.