[QUESTION] Premise: "A dog is playing on the green grass."
Hypothesis: "The dog is chasing a ball."
Do we know that the hypothesis entailed by the premise?
A dog playing in grass is not assumed to be chasing a ball.
The answer is it is not possible to tell.

Q: Premise: "A monster truck flies through the air in front of an arena filled with onlookers."
Based on this premise, can we conclude that the hypothesis "The truck is airborn for nearly 5 seconds." is true?
Options:
- yes
- it is not possible to tell
- no
A: The amount of time the truck is airborne may not be nearly 5 seconds.
The answer is it is not possible to tell.

QUESTION: Premise: "Two black dogs in the snow."
Hypothesis: "Two black dogs fetch a tennis ball at the beach."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Two black dogs can't be at the beach if they are in the snow.
The answer is no.

[QUESTION] Can we conclude from "The man is in front of a building." that "The man is behind the building."?
Options:
- yes
- no
- it is not possible to tell
Either the man is in front of the building or behind it. He cannot occupy two spaces at one time.
The answer is no.

Q: If "Woman with curly red-hair using a telescope on the street." does that mean that "A woman trying to see a shooting star."?
Options:
- yes
- it is not possible to tell
- no
A: Woman with curly red-hair using a telescope on the street does not indicate that she is trying to see a shooting star.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man and a boy each grasp a small black bag in their outstretched arms."
Hypothesis: "Group try to hold a iron rod."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Small black bag and a iron rod are not the same.
The answer is no.