[QUESTION] Premise: "A group of ladies at a meeting."
Hypothesis: "Ladies are at a meeting."
Do we know that the hypothesis entailed by the premise?
Ladies are at a meeting is a way to rephrase a group of ladies at a meeting.
The answer is yes.

Q: Test for natural language inference.
Premise: "A man is speaking to a group of people in a classroom."
Hypothesis: "A man is speaking to a group of people indoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A man is speaking to a group of people in a classroom which is indoors.
The answer is yes.

QUESTION: Premise: "Man in shorts painting graffiti on wall."
Based on this premise, can we conclude that the hypothesis "A man in shorts is installing a neon sign for a business." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Painting graffiti is not the same as installing a neon sign.
The answer is no.

[QUESTION] Given the sentence "Woman with umbrella riding bike behind couple walking while using one umbrella." is it true that "The woman is wearing a helmet."?
Not all women riding a bike must be wearing a helmet.
The answer is it is not possible to tell.

Q: Given the sentence "Three older gentleman are sitting in front of a fence and one of them is making a gesture with his hands." can we conclude that "Three older gentleman are joyously sitting in front of a fence."?
Options:
- yes
- it is not possible to tell
- no
A: The men may not be sitting joyously. Their mood is not described.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in a cap teaches children proper bike maintenance."
Hypothesis: "A man is teaching some children."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The man teaching children is teaching some children regardless of the subject.
The answer is yes.