Q: Premise: "Two men are jumping outside on concrete."
Hypothesis: "Two men are jumping outside on a trampoline."
Do we know that the hypothesis entailed by the premise?
A: The men can't be jumping on concrete and a trampoline at the same time.
The answer is no.

Q: Premise: "There are two blog dogs playing tug-of-war outside."
Based on this premise, can we conclude that the hypothesis "The two dogs are siblings." is true?
Options:
- yes
- it is not possible to tell
- no
A: Because two dogs are playing together doesn't mean they are siblings.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "One woman helps another adjust her clothing."
Hypothesis: "A woman helps another woman with her clothes."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A woman helping another to adjust her clothing is a form of helping the other woman with her clothes.
The answer is yes.

Q: Premise: "An elderly man in a suit locks his bike."
Hypothesis: "The elderly man locked his bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
The man could have unlocked his locked bicycle and be in the process of locking it again.
The answer is yes.