Student asked: Test for natural language inference.
Premise: "People shopping at an outside food and clothing market."
Hypothesis: "People attempt to sell goods outdoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Not everyone shopping at a clothing market are attempting to sell goods. The answer is it is not possible to tell.


Student asked: Given the sentence "A man working with a wood plank." is it true that "A man uses a saw to cut a piece of wood."?
Teacher's response: Let's think. Working with a plank does not imply he uses a saw to cut it. The answer is it is not possible to tell.


Student asked: Premise: "A boy is doing a skateboard trick on the boardwalk."
Hypothesis: "The boy is trying to do a backflip."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not every boy doing a skateboard trick is trying to do a backflip. The answer is it is not possible to tell.


Student asked: Premise: "Three men walk down an alley tying to avoid the rain."
Based on this premise, can we conclude that the hypothesis "The sun is shining while the men are walking." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. It cannot rain while the sun is shining (or it is highly unlikely). The answer is no.