Student asked: Premise: "A man waves from an old firetruck as he drives past crowds."
Based on this premise, can we conclude that the hypothesis "The man is driving a motorcycle." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One cannot drive a motorcycle and fire truck at the same time. The answer is no.


Student asked: Given the sentence "A man is leaning against the railing on the third floor of a terminal." can we conclude that "Someone in waiting for his plane."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all men at the airport are waiting for his plane. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "Two people crossing a footbridge."
Hypothesis: "People going to town."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The people may be going somewhere other than going to town. The answer is it is not possible to tell.


Student asked: Premise: "A white man in a blue shirt and black jacket standing outdoors."
Hypothesis: "The white man is standing outside of his house."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Standing outdoors doesn't only just mean to standing outside of his house. The answer is it is not possible to tell.