Student asked: Premise: "Firefighters converse with a man at the scene of an emergency."
Hypothesis: "The firefighters talked to the man at the scene about what he saw."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The firefighters could be talking to the man about something other than what he saw at the scene of the emergency. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "A man in green with a beard and white hat is walking next to a large orange wall."
Hypothesis: "The man has hair on his face."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. He has hair on his face because he has a beard. The answer is yes.

Student asked: Given the sentence "Six guys at the start of a race." can we conclude that "In the grass."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Six runners are in the final race for the world championship. The answer is it is not possible to tell.

Student asked: Premise: "An older gentleman is stoking a fire."
Hypothesis: "The man is pouring water on the fire."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The man stoking a fire cannot be the one pouring water on the fire. The answer is no.