[Q] Premise: "A man is pouring water on some kind of foreign object."
Hypothesis: "A man is pouring water onto a nondescript object."
Do we know that the hypothesis entailed by the premise?
[A] A man pouring water on a foreign object does not mean that the object is nondescript.
The answer is it is not possible to tell.

[Q] Premise: "Young children in black uniforms perform a martial arts demonstration with sticks in front of a crowd."
Based on this premise, can we conclude that the hypothesis "The demonstration is entertaining." is true?
Options:
- yes
- it is not possible to tell
- no
[A] Young children in black uniforms perform a martial arts demonstration with sticks in front of a crowd does not indicate that the demonstration is entertaining.
The answer is it is not possible to tell.

[Q] Premise: "A very wet dog in a river."
Hypothesis: "The dog is in a river to retrieve a ball."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] Not all dogs are in a river to retrieve a ball.
The answer is it is not possible to tell.