Q: Test for natural language inference.
Premise: "A man walking in front of a cleaning van."
Hypothesis: "A man is walking."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The man who is walking is the man who is in front of a cleaning van.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A boy in a green shirt and black vest holds elephant tusks to his face."
Hypothesis: "A boy pretending to be an elephant in a play."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A boy can hold tusks to his face without pretending to be an elephant or being in a play.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A crowd of people browse various concession offerings." is it true that "The concession stand sells candy and drinks."?
People browsing concession offerings doesn't infer it sells candy and drinks.
The answer is it is not possible to tell.

Q: Premise: "A man stands inside a bus stop."
Based on this premise, can we conclude that the hypothesis "A man is inside the bus stop waiting for a bus." is true?
Options:
- yes
- it is not possible to tell
- no
A: The man might be an employee instead of waiting for a bus.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Two white dogs chase after a red ball in a yard in front of a white fence." that "There are two dogs playing with each other."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Both dogs are chasing after a ball but this doesn't necessarily mean that they are playing with each other.
The answer is it is not possible to tell.

QUESTION: Premise: "An old man unwrapping a present covered in newspaper."
Hypothesis: "While a toddler plays with the scraps."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
A toddler plays with discarded wrapping paper as his grandpa's birthday party goes on.
The answer is it is not possible to tell.