Q: Test for natural language inference.
Premise: "A young man is taking a photograph of a woman on a dock."
Hypothesis: "The woman is swimming in the water and the photographer is taking a picture of the boats."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: If the woman is on a dock then she could not be swimming.
The answer is no.

QUESTION: Given the sentence "Five people are running down a hill." can we conclude that "Five people are on a hill."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Five people have to be on a hill to be running down a hill.
The answer is yes.

[QUESTION] Given the sentence "A musical concert with a guitar." can we conclude that "There won't be any guitar music during this concert."?
Options:
- yes
- it is not possible to tell
- no
If there is a guitar in the concert then there will be guitar music in the concert.
The answer is no.

Q: Premise: "A young person pitches in a baseball game."
Hypothesis: "A young person throws a ball in a baseball game."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A person that pitches in a baseball game definitely throws a ball in a baseball game.
The answer is yes.

QUESTION: Premise: "A group of mature folk are waving as they walk down a shopping center."
Hypothesis: "Older people move their arms as they stroll down a shopping complex."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Older people are mature folk; waving requires one to move their arms; to stroll is the same as to walk; and a shopping center is the same as a shopping complex.
The answer is yes.

QUESTION: Given the sentence "Two men bent over a curb working on something." can we conclude that "Two people work on the street."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The two men do no necessarily have to be working on the street itself.
The answer is it is not possible to tell.