Student asked: Given the sentence "3 old men sitting and talking to one another." is it true that "Three old guys who have known each other for 40 years have gotten together for their weekly coffee and conversation."?
Teacher's response: Let's think. The men may not have known each other for 40 year and may not be having weekly coffee. The answer is it is not possible to tell.

Student asked: Premise: "The man is riding a large wave on a surfboard."
Based on this premise, can we conclude that the hypothesis "A man rides a jetski to the shore." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man can't ride both a surfboard and a jetski at the same time. The answer is no.

Student asked: Can we conclude from "There are people standing and setting beside white tents with sad and worried faces as they look around at boards and trash scattered around the area." that "People standing around looking for any signs of bears."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Looking at trash and boards does not imply looking for signs of bears. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "Two dogs run and play together on a narrow dirt path in the middle of a field."
Hypothesis: "Two animals are playing in the dirt in a field."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Two dogs are animals as part of the total description of them playing together in (narrow) dirt (path) in (middle) a field. The answer is yes.