QUESTION: Premise: "Two opposing wrestlers competing to pin one another."
Hypothesis: "A man sits astride another man struggling to get up."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Two opposing wrestlers competing to pin one another does not indicate that a man sits astride another man struggling to get up.
The answer is it is not possible to tell.

[QUESTION] If "A man wearing glasses and a woman wearing a black hat and dark sunglasses sit together on a subway train." does that mean that "The man is not on the train and the woman is standing."?
Options:
- yes
- it is not possible to tell
- no
Ones can either be sitting together on a train or only one of two can be sitting and the other one is being not on the train.
The answer is no.

Q: Can we conclude from "Men in safety vests are working on a track." that "Men are working on a train."?
Options:
- yes
- no
- it is not possible to tell
A: One is working on a track and the other is working on a train.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A dog is jumping into the water."
Hypothesis: "Dog is playing in the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A dog is jumping in water which can be a form of playing.
The answer is yes.

[QUESTION] Premise: "An asian woman holding a fan watches traffic go by."
Hypothesis: "The woman has a knife."
Do we know that the hypothesis entailed by the premise?
The woman is holding a fan so cannot hold a knife.
The answer is no.

Q: Test for natural language inference.
Premise: "A large group of people rafting."
Hypothesis: "A large group of people are rafting on a river."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
It may be impossible to tell if the body of water in the image is a river.
The answer is it is not possible to tell.