Student asked: Test for natural language inference.
Premise: "A teenager is punching a punching bag in a gym while another man watches."
Hypothesis: "The man is a trainer."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The man that is watching the teenager punching a punching bag does not infer that he is a trainer. The answer is it is not possible to tell.

Student asked: Premise: "Cute black doing playing in snow."
Hypothesis: "It snowed that day."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. It could be snow from a day other than that day. The answer is it is not possible to tell.

Student asked: Given the sentence "A man wearing a red coat stands on the corner near a building." can we conclude that "A man is waiting in a elevator."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man cannot be waiting in an elevator and standing on the corner near a building. The answer is no.

Student asked: Test for natural language inference.
Premise: "The teen jumps the hill with his bicycle."
Hypothesis: "A teenager is a professional bmx rider."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Just because teen jumps the hill with his bicycle doesn't imply teenager is a professional BMX rider. The answer is it is not possible to tell.