Q: Can we conclude from "Two brown dogs playing with each other." that "One has his mouth open biting the other dog."?
Options:
- yes
- no
- it is not possible to tell
A: A dog play bites his friend who is also a dog.
The answer is it is not possible to tell.

QUESTION: Premise: "A roller girl skirts the edge of the track while her teammates look on."
Hypothesis: "A girl skates by herself."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: If the girl's teammates are looking on then the girl is not by herself.
The answer is no.

[QUESTION] Can we conclude from "A man is holding an advertisement for quiznos subs." that "The man holding the advertisement for quiznos subs always has a smile on his face."?
Options:
- yes
- no
- it is not possible to tell
Holding an advertisement does not mean he always has a smile on his face.
The answer is it is not possible to tell.

Q: Premise: "Children looking at books."
Based on this premise, can we conclude that the hypothesis "Children reading." is true?
Options:
- yes
- it is not possible to tell
- no
A: Reading and looking at books are two ways to say the same thing.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A large group of men in white appear to be working over some kind of grill."
Hypothesis: "A group of men are trying to stay warm by the grill."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Working over some kind of grill doesn't imply trying to stay warm.
The answer is it is not possible to tell.

QUESTION: Premise: "A dog chews on a stick."
Based on this premise, can we conclude that the hypothesis "An animal is using its teeth on an object." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The action of using teeth on an object by the animal is in consequence with the dog chewing on a stick.
The answer is yes.