[QUESTION] Given the sentence "A crowd of young people lounge and amble over a large green field against a background of sky and trees." is it true that "A crowd of people are in a bar."?
A crowd can't be in a green field and in a bar.
The answer is no.

Q: Premise: "Two men wearing a hat are holding on to their bikes."
Hypothesis: "Two men are in a boat."
Do we know that the hypothesis entailed by the premise?
A: The men are either in a boat or holding onto bikes.
The answer is no.

QUESTION: Premise: "A woman looking out a window."
Hypothesis: "A woman looking at a car."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Window does not imply it is a window in a car.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man taking a picture of a brightly lit building."
Hypothesis: "The man walks by a brightly lit building on his way to work."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Taking a picture implies that someone paused or stood still not just a man who walks by.
The answer is no.

Q: Can we conclude from "A helicopter descends into a grassy area where there are many cars." that "The helicopter descended into the grass."?
Options:
- yes
- no
- it is not possible to tell
A: The helicopter descended into the grass rephrasing a helicopter descends where there are many cars.
The answer is yes.

[QUESTION] Premise: "Three hockey players fight for the puck as one of them falls to the ice."
Hypothesis: "A hockey player fell down while trying to secure the loose puck."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
If hockey players are fighting over a puck it is likely that the puck would come loose and that a hockey player could fall trying to secure it.
The answer is yes.