Q: Given the sentence "A man is airborne behind his bike whilst holding onto the handlebars as he attempting a jumping stunt." is it true that "The man is on the ground."?
A: The man cannot be airborne and on the ground at the same time.
The answer is no.

QUESTION: Premise: "A man stops his bike ride to talk to a lady."
Hypothesis: "A man converses with a woman."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A man talks to a lady is the same as conversing with a woman.
The answer is yes.

[QUESTION] Premise: "A man playing the piano at a restaurant where people are eating."
Hypothesis: "A man is playing his favorite song on the piano."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The man on the piano may not be playing his favorite song.
The answer is it is not possible to tell.

Q: Can we conclude from "A younger girl holds up a yellow ""free car wash"" sign along the edge of a road." that "A girl holds a sign for a fundraiser."?
Options:
- yes
- no
- it is not possible to tell
A: Free car wash does not imply it is for a fundraiser.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man lying on the grass next to a small lake."
Hypothesis: "The guy laying on the grass is getting a sunburn."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The man laying in the grass does not mean he is getting a sunburn.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A person is standing in the middle of the desert looks tiny."
Hypothesis: "A person is in the desert with many people."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
That the person is standing in the desert and looks tiny does not mean he/she is in the desert with many people.
The answer is it is not possible to tell.