Student asked: Given the sentence "2 women in red outfits and 3 other people are standing at a street corner." is it true that "Some people are sitting in a bus."?
Teacher's response: Let's think. Either the group are standing at a street corner or sitting in a bus. They cannot do both at the same time. The answer is no.

Student asked: Premise: "A man in jeans walks up a flight of stairs."
Hypothesis: "A man is wearing black jeans while moving."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The jeans worn by the man can be of any color and not always black. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "Cooking hot peppers in the cold winter!."
Hypothesis: "A chief prepparing hot peppers for others on a cold winter day outside."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Not all cooks are chiefs. Just because you are cooking doesn't mean it's for others. The answer is it is not possible to tell.

Student asked: Can we conclude from "A surfer in a wetsuit grabs his surfboard while at the height of a wave." that "The surfboard has wax on the bottom."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Wax is not always needed at the bottom of a surfboard. The answer is it is not possible to tell.