[QUESTION] Can we conclude from "People in life jackets are on a boat that's moving through the water." that "People ride on a boat."?
Options:
- yes
- no
- it is not possible to tell
People are using boat as they are moving through the water.
The answer is yes.

[QUESTION] Given the sentence "Two men are wrestling." can we conclude that "One has the other pinned to the floor and the man on the floor is wincing in pain."?
Options:
- yes
- it is not possible to tell
- no
Two men have been wrestling for an hour as one of them are about to win.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Four men leaning over a green fence and smiling."
Hypothesis: "The men are brothers."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all four men leaning over a green fence and smiling are brothers.
The answer is it is not possible to tell.

[QUESTION] Premise: "A boy helps his father work on his truck."
Based on this premise, can we conclude that the hypothesis "A boy helps his father." is true?
Options:
- yes
- it is not possible to tell
- no
A boy helps his father is part of his description on his truck.
The answer is yes.