[QUESTION] Premise: "A kid performing his talent of skating with skateboards."
Hypothesis: "A kid is skating to show off."
Do we know that the hypothesis entailed by the premise?
The kid might be catching just fun and not showing off.
The answer is it is not possible to tell.

Q: Premise: "A man leans against a large rock during the middle of the day."
Based on this premise, can we conclude that the hypothesis "This brain surgeon is operating on head of state." is true?
Options:
- yes
- it is not possible to tell
- no
A: A man who leans against a large rock during the middle of the day cannot be a brain surgeon who is operating on a Head of State.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man skiing down a hill."
Hypothesis: "A guy is going down a hill on skis."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Going down a hill on skis reiterates him skiing down a hill.
The answer is yes.

[QUESTION] Premise: "Two wrestlers competing on a mat in front of a crowd of onlookers."
Based on this premise, can we conclude that the hypothesis "Two wrestlers compete for the state title." is true?
Options:
- yes
- it is not possible to tell
- no
The two wrestlers may be competing for something other than the state title.
The answer is it is not possible to tell.

Q: Premise: "A woman balances on a stump while a man takes her picture."
Hypothesis: "A man is photographing a woman on a tree."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A woman balances on a stump while a man takes her picture does not necessary that he is photographing a woman on a tree.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "Workers wearing reflective vests working near a train car." that "Workers wear reflective vests near trains as part of a training exercise."?
Options:
- yes
- no
- it is not possible to tell
Not all workers wearing reflective vests near train cars are part of training exercises.
The answer is it is not possible to tell.