Student asked: Premise: "A small boy in jeans and a white shirt holding a piece of paper in a black vehicle."
Based on this premise, can we conclude that the hypothesis "A boy is jumping up and down." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The boy is either holding a piece of paper or jumping up and down. The answer is no.

Student asked: Premise: "A doberman puppy is trying to put a very large blue rubber ball in this mouth."
Based on this premise, can we conclude that the hypothesis "A doberman puppy is trying to put a very large blue rubber ball in this mouth to bring back to its owner." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Dogs can simply play with a ball by themselves or just to chew on it. It is not always to bring it back to the owner. The answer is it is not possible to tell.

Student asked: Given the sentence "There is a man working on a billboard." can we conclude that "The picture of a man on a billboard is displaying an expensive watch."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. There can't be an actual man and a picture of the man. The answer is no.

Student asked: Test for natural language inference.
Premise: "A group of young children pose for a photo while sitting on stools and making funny faces."
Hypothesis: "Children are taking a photo for their class."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Children can take photos for other reasons than for their class. The answer is it is not possible to tell.