[Q] Premise: "A black and brown dog plays with a long stick."
Hypothesis: "The dog is chewing his leg."
Do we know that the hypothesis entailed by the premise?
[A] A dog which plays with a long stick cannot be chewing his leg.
The answer is no.

[Q] Premise: "A boy and girl walk in shallow water."
Hypothesis: "The old people are walking in shallow water."
Do we know that the hypothesis entailed by the premise?
[A] Boy and girl are words to describe young people and old people are not young.
The answer is no.

[Q] Test for natural language inference.
Premise: "Two young boys play in a fountain."
Hypothesis: "Some children are playing with a white dog."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Children cannot be playing with a dog and play in a fountain at the same time.
The answer is no.