[Q] Premise: "A shirtless man jumping off a large concrete structure into a river with his friends watching from the structure."
Hypothesis: "The man is not brave."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] It does take bravery to jump off a structure into a river.
The answer is no.

[Q] Given the sentence "Two kids in a green tree." is it true that "A boy and girl in a tree."?
[A] The kids could be two boys or two girls or a boy and a girl.
The answer is it is not possible to tell.

[Q] Given the sentence "A female scientist and a male scientist look at a book together in a lab full of plants." is it true that "The scientists are astronomers."?
[A] Astronomers are unlikely to be in a lab full of plants.
The answer is no.