[QUESTION] Premise: "A boy is swinging upside-down with his head sticking through a tire."
Based on this premise, can we conclude that the hypothesis "A child is looking through the center of a tire." is true?
Options:
- yes
- it is not possible to tell
- no
The boy swinging with his head through the tire doesn't necessarily mean he is looking through it. He could have his eyes closed.
The answer is it is not possible to tell.

[QUESTION] If "A man with rollerblades grinding a curb." does that mean that "A person is rollerblading in the city."?
Options:
- yes
- it is not possible to tell
- no
A man with Rollerblades grinding a curb does not imply he is rollerblading in the city.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man sings on stage with a guitar." is it true that "The man is playing a trumpet."?
A man who sings can't be playing a trumpet at the same time.
The answer is no.

[QUESTION] Given the sentence "A man is playing cello as part of an orchestra at a formal performance." is it true that "A man is playing cello."?
Playing cello as part of an orchestra is a way of playing cello.
The answer is yes.