QUESTION: Premise: "A boy on a bike is jumping over a metal rail in a playground."
Based on this premise, can we conclude that the hypothesis "A boy jumped a fence." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A metal rail doesn't have to be part of a fence.
The answer is it is not possible to tell.

QUESTION: Premise: "Carpenter building a wooden chair."
Based on this premise, can we conclude that the hypothesis "The man is building a toy chest." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The man can be building either a chair or a chest. He can't build both at the same time.
The answer is no.

QUESTION: Can we conclude from "Man mopping the floor with a bust in the background." that "Nobody is mopping."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Either the man is mopping or nobody is mopping it cannot be both.
The answer is no.