QUESTION: Given the sentence "A boy playing with a racquet." is it true that "A boy playing racquetball."?

Let's solve it slowly: The boy may just be holding a racquet and not playing racquetball. He could be playing tennis.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Two women on rollerskates with helmets and elbow and knee pads jostle one another as they skate."
Hypothesis: "The championship roller derby match is in progress."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Two women skating and jostling each other aren't necessarily in a championship match.
The answer is it is not possible to tell.

Q: Premise: "New mom plays with her young baby."
Based on this premise, can we conclude that the hypothesis "A mom is playing with her baby." is true?
Options:
- yes
- it is not possible to tell
- no
A: A new mom is a type of mom and young baby is a type of baby.
The answer is yes.

QUESTION: Premise: "A construction worker is on climbing on top of a building."
Hypothesis: "Nobody is climbing."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: If nobody is climbing as stated in sentence 2 then a construction worker cannot be climbing as stated in sentence 1.
The answer is no.

[QUESTION] Can we conclude from "A girl in a karate outfit is talking to a man in a white shirt." that "A girl is talking to her karate teacher."?
Options:
- yes
- no
- it is not possible to tell
A girl talking to a man is not necessarily the girl's karate teacher.
The answer is it is not possible to tell.

Q: Premise: "An older woman wearing a blue coat walks between two green outlines of men."
Hypothesis: "The older woman is wearing bright red pants."
Do we know that the hypothesis entailed by the premise?
A:
An older woman wearing a blue coat walks between two green outlines of men does not indicate that she is wearing bright red pants.
The answer is it is not possible to tell.