Student asked: If "People are standing on stepping stones down a stream." does that mean that "There are people standing on stones."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People standing on stepping stones down a stream and people standing on stones contradict each other. The answer is it is not possible to tell.

Student asked: Premise: "The man in the red coat holds a subway wrapper close to his face."
Hypothesis: "A woman is wearing a blue coat and holds a plastic bag in her hand."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A man in a red coat cannot be a woman in a blue coat. The answer is no.

Student asked: If "A woman rests on the curb of a city street while talking on her cellphone." does that mean that "A woman talks with her husband with her cellphone."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A woman could be talking to other people besides her husband. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "A street scene with two women sitting in front of a shop window while a man is taking pictures."
Hypothesis: "Few woman walking on the wet street."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Woman walking on street contradicts with two women sitting in front of a shop. The answer is no.