[QUESTION] Premise: "A man walking through a crowd on a city street."
Hypothesis: "The man is sitting on a roller coaster."
Do we know that the hypothesis entailed by the premise?
You wouldn't be walking through a crowd while sitting on a roller coaster.
The answer is no.

Q: Can we conclude from "Bill gates and steve jobs sitting in red chairs beside each other." that "The people are in red chairs."?
Options:
- yes
- no
- it is not possible to tell
A: Bill Gates and Steve Jobs are the people sitting in the red chairs.
The answer is yes.

QUESTION: Can we conclude from "A small kid wearing red and gray is opening a gray and white striped gift while sitting on a man's lap who is wearing a blue shirt and both are in front of a window and a small christmas tree." that "The small kid opening the gift is sitting on a couch."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: He can't sit on a man's lap and sit on a couch at the same time.
The answer is no.

[QUESTION] Premise: "Dog running and jumping high bars."
Hypothesis: "The dog is jumping high."
Do we know that the hypothesis entailed by the premise?
High bars are high in the air. The dog is jumping high bars. Therefore the dog is jumping high.
The answer is yes.

Q: Premise: "Two men fighting in a judo match."
Hypothesis: "The men are fighting in world war ii."
Do we know that the hypothesis entailed by the premise?
A: If the men are fighting in a judo match they cannot be fighting in World War 2.
The answer is no.

[QUESTION] Given the sentence "The skateboarder does a trick on a ramp." can we conclude that "A person does a trick with their skateboard."?
Options:
- yes
- it is not possible to tell
- no
S skateboarder is a person and he can only be doing a trick with his skateboard.
The answer is yes.