Student asked: Test for natural language inference.
Premise: "A young man smoking a cigarette."
Hypothesis: "A sad man smoking a cigarette."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Just because young man smoking a cigarette doesn't mean he is sad. The answer is it is not possible to tell.


Student asked: Given the sentence "A dog runs through the snow with a stick in its mouth." can we conclude that "The animal is outside."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. If a dog is running through the snow it would imply the animal is outside. The answer is yes.


Student asked: Can we conclude from "A street performer spinning fire." that "A former circus performer spins fire."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The street performer doesn't necessarily have to be a former circus performer. The answer is it is not possible to tell.


Student asked: Given the sentence "An elderly woman dressed in black is walking past a stone building." can we conclude that "The elderly woman is on her way to a funeral."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Someone dressed in black does not necessarily imply they're going to a funeral. The answer is it is not possible to tell.