QUESTION: If "A man flies into the air while snowboarding in a half pipe." does that mean that "A man flies into the air snowboarding a half pipe."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: While snowboarding in a half pipe is the same as snowboarding a half pipe.
The answer is yes.

QUESTION: Can we conclude from "A man in a green shirt and sweater looks at his cellphone." that "A man looks at his cellphone."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The man can be in a green shirt looking at his phone.
The answer is yes.

QUESTION: Premise: "A man in a gray t-shirt and jeans smiles at the camera while sitting in a crowd at an outdoor event."
Based on this premise, can we conclude that the hypothesis "A man stays home to read a book." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Either the man is sitting outdoors with a crowd or staying home. He is presumably home alone.
The answer is no.