QUESTION: Test for natural language inference.
Premise: "Martial arts students face off against each other in a gym."
Hypothesis: "A martial arts contest takes place in a school gymnasium."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Martial arts students face off against each other doesn't necessarily mean that they are taking part in a contest. Not all gymnasiums are school gymnasiums.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A factory worker takes a break from his day to pose for the camera." is it true that "A factory worker is posing for a magazine photo."?
Just because a factor worker is posing for the camera while on break does not mean it is for a magazine. He may just be taking a selfie for his girl friend.
The answer is it is not possible to tell.

Q: Can we conclude from "A violinist practices in front of an empty performance hall." that "The hall is dimmly lit."?
Options:
- yes
- no
- it is not possible to tell
A: Just because a violinist practices in front of an empty performance hall is not necessarily dimmly lit.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A boy whose head has been replaced by a baseball."
Hypothesis: "The boy has a baseball head."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Has a baseball head is a paraphrase of head has been replaced by a baseball.
The answer is yes.

[QUESTION] Premise: "Two men bending over talking to a man in a red race car."
Hypothesis: "The people are doing laundry at their home."
Do we know that the hypothesis entailed by the premise?
If they are in their home they are not talking to someone in a car.
The answer is no.

Q: Premise: "A group of people stand and sit on the dirt near a line of several white tents."
Based on this premise, can we conclude that the hypothesis "A group of people are out hiking in the woods." is true?
Options:
- yes
- it is not possible to tell
- no
A:
The fact that a group of people stand and sit on the dirt near a line of several white tents doesn't imply that the people are hiking in the woods.
The answer is it is not possible to tell.