[QUESTION] Given the sentence "A backpacker is walking in front of a mountain with arms crossed." can we conclude that "A hiker comes across a backpack who refuses to uncross his arms."?
Options:
- yes
- it is not possible to tell
- no
Just because a backpacker is walking with arms crossed doesn't imply a hiker comes across a backpack who refuses to uncross his arms.
The answer is it is not possible to tell.

Q: Premise: "A man clad in metallic armor raises a weapon while mounted on an armor-clad horse with spectators in the background."
Hypothesis: "The man in armor is part of an army invading a country."
Do we know that the hypothesis entailed by the premise?
A: There is no army invading a country if there are spectators in the background watching.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Two young boys and a girl are rough-housing on a lawn covered with dry leaves."
Hypothesis: "One person is sleeping."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Rough-housing is not sleeping and one person would not be sleeping while doing so.
The answer is no.

[QUESTION] Given the sentence "Woman text on phone while man on bike passes her by." is it true that "The male on his bicycle rides past a woman with a phone."?
The woman had to have a phone in order to text and the man needs a bike to ride past the woman.
The answer is yes.

Q: Given the sentence "A girl stands outside of a blue and white home while a younger child sits on its stoop." is it true that "The girl and younger child are waiting for their father to come home from work."?
A: Two children outside of a home does not imply that they are waiting for their father to come home from work.
The answer is it is not possible to tell.

[QUESTION] If "A young man goes air-born while his skateboard spins underneath him." does that mean that "The man is not wearing a helmet."?
Options:
- yes
- it is not possible to tell
- no
Not wearing a helmet is not implied by a man skateboarding.
The answer is it is not possible to tell.