Student asked: Given the sentence "A man riding a bike on the pier." can we conclude that "A man is enjoying a bike rental from a pier vendor."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The bike the man is riding on the pier is not necessarily a rental. The answer is it is not possible to tell.

Student asked: Premise: "Men of asian descent in an alleyway."
Based on this premise, can we conclude that the hypothesis "A scientist is unravelling the dna sequence in the lab." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The men are in the alleyway which means they cannot be the scientist in the lab. The answer is no.

Student asked: Given the sentence "A crowd is watching runners during a marathon." can we conclude that "A crowd is watching runners."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Watching runners during a marathon is a way of watching runners. The answer is yes.

Student asked: Test for natural language inference.
Premise: "A little blond girl in a flowery dress among white flowers."
Hypothesis: "A girl posing for photos among flowers."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. A girl in a flowery dress is not necessarily posing for photos. The answer is it is not possible to tell.