[QUESTION] Premise: "A young boy in a green shirt and blue cap is kicking a soccer ball."
Hypothesis: "A boy in a green shirt kicks the ball to his brother."
Do we know that the hypothesis entailed by the premise?
The boy might be kicking a ball to anyone not only his brother.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "The teen jumps the hill with his bicycle."
Hypothesis: "A teenager is a professional bmx rider."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Just because teen jumps the hill with his bicycle doesn't imply teenager is a professional BMX rider.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man wearing a purple shirt is using a syringe in a lab."
Hypothesis: "A man is testing for a disease in a lab."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
There are other things that can be done with a syringe in a lab besides testing for a disease.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in pajamas is looking up at the ceiling."
Hypothesis: "The ceiling is being looked at by a man."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Is being looked at is a rephrase of is looking up at.
The answer is yes.