QUESTION: Can we conclude from "A group of people are listening to a man in a gray hat speak." that "People listen to a speaker."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: People are listening ta a man in a gray hat speak.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "Race car driver getting ready for the start of the race."
Hypothesis: "A man is in a bowling alley."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
You cannot be participating in a car race and be in a bowling alley at the same time.
The answer is no.

Q: Premise: "A large group of people are riding on a blue roller coaster."
Hypothesis: "They are noisy."
Do we know that the hypothesis entailed by the premise?
A: Not everyone who rides a roller coaster is noisy. Some people are very quiet.
The answer is it is not possible to tell.

QUESTION: Premise: "A middle-aged man riding his black motorcycle through a neighborhood."
Hypothesis: "The man is headed home on his motorcycle."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Riding a motorcycle through a neighborhood doesn't mean he's headed home.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two middle-aged construction workers are jackhammering."
Hypothesis: "Two people are enjoying ice cream."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
You cannot eat ice cream while also jackhammering or performing labor.
The answer is no.

Q: Test for natural language inference.
Premise: "A woman in red plays a guitar and sings while couples dance."
Hypothesis: "She was in a band."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
The woman singing does not need to be in a band.
The answer is it is not possible to tell.