Q: Test for natural language inference.
Premise: "Man raising young boy into the clear blue sky."
Hypothesis: "Father holds his son in the air."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The man in boy in this scenario may not father and son and may not be related at all.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Some rock musicians are playing at a concert." that "A rock concert is happening."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: If musicians are playing at a concert then a concert is happening.
The answer is yes.

[QUESTION] Premise: "A group of people are conversing with one another."
Hypothesis: "A person watching tv."
Do we know that the hypothesis entailed by the premise?
A group implies more than on as a person is singular.
The answer is no.

Q: Given the sentence "A boy jumps into a not-so-crowded public pool." can we conclude that "There is a girl playing in a not-so-crowded public pool."?
Options:
- yes
- it is not possible to tell
- no
A: Boy jumps refers to a boy jumping not a girl playing.
The answer is no.

QUESTION: Given the sentence "One woman and two men wearing life vests rowing a small boat down a marsh lined river." is it true that "The people are not using their life jackets."?

Let's solve it slowly: If you are not using the life jackets why are you wearing them.
The answer is no.

QUESTION: Can we conclude from "A mountain biker is riding on a marked out competition trail in the woods." that "A mountain biker races through the woods."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A trail in the woods presumably also goes through the woods.
The answer is yes.