Q: If "A person is swimming underwater in a pool." does that mean that "The swimmer is trying to get something from the bottom of the pool."?
Options:
- yes
- it is not possible to tell
- no
A: Not all person swimming underwater in a pool is trying to get something from the bottom of the pool.
The answer is it is not possible to tell.

QUESTION: Premise: "People talk among themselves near a crowd of people."
Based on this premise, can we conclude that the hypothesis "People discuss the days events." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: People talking among themselves are not always talking about the days events.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man and a woman practice on a field."
Hypothesis: "A couple are learning."
Do we know that the hypothesis entailed by the premise?
Just because A man and a woman practice on a field doesn't mean they are a couple.
The answer is it is not possible to tell.

Q: Given the sentence "A man in a leather jacket holding a helmet at a crosswalk." can we conclude that "A man holds his helmet near the street."?
Options:
- yes
- it is not possible to tell
- no
A: A crosswalk is near the street so if a man is at a crosswalk he is near the street.
The answer is yes.

QUESTION: Can we conclude from "A bride being kissed by a man." that "A skinny man is diving into a pool."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Either the man is kissing the bride or diving into a pool. One usually doesn't do both at the same time.
The answer is no.

QUESTION: Premise: "An elderly man selling vegetables from the back of his vehicle."
Based on this premise, can we conclude that the hypothesis "An elderly man is driving a yellow taxi." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
A person selling vegetables from the back of his vehicle is not also driving a yellow taxi.
The answer is no.