[QUESTION] Given the sentence "A man crouching down on some rocks in the ocean." is it true that "A person swims in the river."?
A person crouching down on rocks in the ocean is different from a person swims in the river.
The answer is no.

[QUESTION] Can we conclude from "A young boy with a green bag stands behind a pole in a subway station." that "A young boy is in a subway station."?
Options:
- yes
- no
- it is not possible to tell
If the pole is in a subway station then the boy is in the station.
The answer is yes.

[QUESTION] Premise: "A couple plays frisbee in a green field with trees in the background."
Hypothesis: "A couple has a date in the park."
Do we know that the hypothesis entailed by the premise?
A couple playing Frisbee in a green field with trees does not infer that the couple has a date in the park.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The lady with the book is reading to a small group of people." can we conclude that "A lady reads to herself at night."?
Options:
- yes
- it is not possible to tell
- no
If she reads to herself then she would not be in a small group.
The answer is no.