[QUESTION] Premise: "A woman in blue sits on a curb next to blue railings in front of the ocean."
Hypothesis: "A woman is wearing a red track suit."
Do we know that the hypothesis entailed by the premise?
You can not be described as wearing blue while you have a red track suit on.
The answer is no.

Q: Premise: "A person is sailing in the air with a red parachute over grass."
Hypothesis: "A person on a parachute for the first time."
Do we know that the hypothesis entailed by the premise?
A: A person sailing in the air doesn't have to be on a parachute.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A young man sitting at a table in front of his computer." is it true that "A man is sitting in front of his computer at his office."?

Let's solve it slowly: The computer in front of which the man is sitting is not necessarily in his office.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man accompanied by a band is singing in a red room." is it true that "A man accompanied  in the room."?
A man is accompanied in a room in one sentence. The other sentence states in more detail that a man is accompanied by a band.
The answer is no.

Q: Test for natural language inference.
Premise: "A snowboarder wearing a black coat."
Hypothesis: "Black hat and white pants is flipping upside-down while snowboarding down a hill."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A snowboarder in white pants is doing a trick at a snowboarding contest.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A boy swings a plastic bat." can we conclude that "A boy rides in a plastic boat holding a teddy bear."?
Options:
- yes
- it is not possible to tell
- no
A boy can't swing a bat while he rides in a plastic boat.
The answer is no.