[QUESTION] Premise: "A bmx rider on the trail."
Hypothesis: "A person is running a marathon."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Being a BMX rider implies he is riding a bike and cannot be running.
The answer is no.

Q: Premise: "A crowd of people walk through a busy street."
Hypothesis: "People walking in a busy street for mardi gras."
Do we know that the hypothesis entailed by the premise?
A: Mardi gras isn't the only time and place there is a busy street.
The answer is it is not possible to tell.

QUESTION: Premise: "A crowded street with a few people wearing white shirts and polka dotted skirts walking in a line."
Hypothesis: "A crowded street with a few people wearing white shirts and pola dotted skirts walking in a line."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: There is a crowded street where few people are wearing white shirts and polka is a rephrasing of pola dotted skirts walking in a line.
The answer is yes.

[QUESTION] Given the sentence "Two young men are playing guitars in the corner of a room." can we conclude that "There were five young men playing drums."?
Options:
- yes
- it is not possible to tell
- no
The same subjects cannot be both two men and five men.
The answer is no.

Q: Test for natural language inference.
Premise: "A man climbing up a rocky cliff."
Hypothesis: "The man is sitting in a bathtub."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: One can't be climbing and sitting at the same time; a cliff is not a bathtub.
The answer is no.

[QUESTION] Premise: "A man in a wicker cowboy hat is talking on the phone."
Hypothesis: "The man has on a hat."
Do we know that the hypothesis entailed by the premise?
A man in a wicker cowboy hat must be a man who has on a hat.
The answer is yes.