[QUESTION] Premise: "A young boy and a playing chess outside."
Hypothesis: "The young boy is drinking coffee indoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A person playing chess outside can not also be drinking coffee indoors.
The answer is no.

Q: Given the sentence "The brown and white dog is carrying a stick in his mouth." can we conclude that "The brown and white dog carries something in its mouth."?
Options:
- yes
- it is not possible to tell
- no
A: The dog carries something in his mouth; it just happens to be a stick.
The answer is yes.

QUESTION: Premise: "A crowd of onlookers watch as a man performs a stunt involving a hat and some rope."
Hypothesis: "A crowd wacthes a man perform."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Watch and watches can be used depending on the verb tense.
The answer is yes.

[QUESTION] Can we conclude from "A city block is sealed off by the police." that "There are no detours today."?
Options:
- yes
- no
- it is not possible to tell
If the block is sealed off then there must be some kind of detour.
The answer is no.

Q: Premise: "A woman on the phone is standing at the end of the subway entrance while a man with a black hat stares straight at the camera."
Hypothesis: "A woman is holding a phone."
Do we know that the hypothesis entailed by the premise?
A: When a woman is on the phone it usually implies that she is holding it.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A man in a tropical shirt is playing piano in a bar."
Hypothesis: "The man is playing the piano."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The person is a man because he is a man in a tropical shirt.
The answer is yes.