[QUESTION] Given the sentence "A group of people listening to a speech or presentation near the front of the room." is it true that "The people in the back can't hear."?
People in the back are not certain to not be able to hear.
The answer is it is not possible to tell.

Q: Given the sentence "The blue and white race car has flames coming out of its tail pipe." can we conclude that "The race car is broken down on the side of the road."?
Options:
- yes
- it is not possible to tell
- no
A: A broken down car cannot have flames out of tail pipe.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A boy and girl riding a roller coaster."
Hypothesis: "Two kids trapped forever."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Trapped is a different physical state than riding a roller coaster.
The answer is no.

[QUESTION] Given the sentence "Three toddlers are running towards the camera in a grassy yard." is it true that "Three toddlers are running in the grass."?
Three toddlers running in the grass is part of their activity of running towards the camera in grassy yard.
The answer is yes.

Q: Test for natural language inference.
Premise: "The girl in a dress is jumping in the air outside."
Hypothesis: "Girls sit in the room."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A girl cannot be girls which is plural. Someone who is jumping cannot also be sitting.
The answer is no.

[QUESTION] Can we conclude from "A man using a tripod is taking a photo of another man." that "A woman using a tripod is taking a photo of another woman."?
Options:
- yes
- no
- it is not possible to tell
The man using the camera is not a woman. The subject man is not a woman.
The answer is no.