Q: Test for natural language inference.
Premise: "Several people are sitting on a wall covered in graffiti."
Hypothesis: "A boy is trying to climb a wall."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Several people refers to many people not just a boy. You cannot climb a wall while sitting.
The answer is no.

Q: Premise: "The man in blue has the basketball while the man on the left watches and the man on the right tries to stop him."
Hypothesis: "People play basketball."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A man has the basketball and the man on the right tries to stop him so they are playing basketball.
The answer is yes.

Q: Premise: "This person is performing a trick in skateboarding competition."
Hypothesis: "With people watching in the background."
Do we know that the hypothesis entailed by the premise?
A: A man is using his skateboard to perform a trick in front of a crowd.
The answer is it is not possible to tell.

Q: Premise: "Two young lacrosse players talking to older man."
Hypothesis: "Two old soccer players talk to a young boy."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
They cannot be young lacrosse players and old soccer players simultaneously.
The answer is no.