[QUESTION] Premise: "A brown dog is biting a black dog."
Hypothesis: "Dogs are fighting."
Do we know that the hypothesis entailed by the premise?
A dog biting another dog implies that they are fighting each other.
The answer is yes.

Q: Premise: "A man sits on a concrete ledge with his bicycle by his side while another man walks toward him holding the hand of a young girl and carrying a baby in a front pack."
Hypothesis: "A man sits next to his bicycle."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Next to his bicycle is a rephrase of with his bicycle by his side.
The answer is yes.

QUESTION: Can we conclude from "Skateboarder in black with yellow skateboard in midair." that "Young skateboarder skates on a half pipe to get air."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Just because skateboarder in black with yellow skateboard in midair does not indicate that young skateboarder skates on a half pipe to get air.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A brown dog up to its neck in water."
Hypothesis: "Just the head of the brown dog is visible above the surface of the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
If the dog is up to its neck in water means just the head is visible.
The answer is yes.

Q: Can we conclude from "A man is driving a car with a sign on the roof advertising used cars." that "A man driving a car with a sign on the roof."?
Options:
- yes
- no
- it is not possible to tell
A: The car with the sign on the roof is advertising used cars.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A thin little boy leaps up over the waters and sticks his tongue out."
Hypothesis: "A thin boy leaps up over the waters and sticks his tongue out."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
There is a thin boy who leaps up and sticks his tongue out.
The answer is yes.