Q: Premise: "A person in a white shirt grinding a skateboard down a long rail in a skate park."
Hypothesis: "A dog is riding a skateboard down the street."
Do we know that the hypothesis entailed by the premise?
A: Either a person is riding a skateboard down a rail or a dog is riding a skateboard down the street.
The answer is no.

Q: Given the sentence "Person riding a racing motorcycle while other people watch." is it true that "People are watching a motorcyclist."?
A: A person riding a racing motorcycle is a kind of motorcyclist.
The answer is yes.

Q: Can we conclude from "A young black man with two guns pointed at his head." that "A man is contemplating suicide."?
Options:
- yes
- no
- it is not possible to tell
A: Young black man with two guns pointed at his head is not necessarily contemplating suicide.
The answer is it is not possible to tell.

Q: Premise: "Two men involved in a mixed martial arts competition."
Hypothesis: "The men are going to beat the crap out of each other."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
Involved in a martial arts competition does not imply going to beat the crap out of each other necessarily.
The answer is it is not possible to tell.