Student asked: Test for natural language inference.
Premise: "A cathedral overlooks a river which is spanned by a traffic bridge and traveled upon by small craft."
Hypothesis: "The traffic bridge is traveled upon by small crafts because of it's location on the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The traffic bridge may be travelled upon for many reasons other than its location on the water. The answer is it is not possible to tell.


Student asked: Premise: "A vendor stands in his stall that is filled with candles."
Hypothesis: "The vendor is selling candles in his stall."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A vendor who stands in a stall filled with candles is by inference selling candles in his stall. The answer is yes.


Student asked: Given the sentence "A band plays a song at a restaurant." can we conclude that "The band performs in a stadium."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The band can't play at a restaurant and a stadium simultaneously. The answer is no.


Student asked: Premise: "A man is sipping on a drink while listening to a gentleman talking to him."
Based on this premise, can we conclude that the hypothesis "A man with his headphones on." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man cannot be listening to someone talk while he has headphones on. The answer is no.