Student asked: Given the sentence "A man with an orange vest and glasses smiling." can we conclude that "A man is having a good time at work."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man is smiling so he must be having a godo time. The answer is yes.


Student asked: Test for natural language inference.
Premise: "A young man in a blue shirt with a gray backpack places a sign onto a concrete pillar."
Hypothesis: "A young man in a backpack is hanging an advertisement on a pillar."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A young man placing a sign onto a concrete pillar is not necessarily hanging an advertisement. The answer is it is not possible to tell.


Student asked: Premise: "A woman in a white dress and colorful hat is dancing and singing on stage in front of a band."
Hypothesis: "The group are performing for an audience."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Dancing and singing on stage can be done without an audience. The answer is it is not possible to tell.


Student asked: Given the sentence "A man with a handkerchief around his mouth and nose in front of a well with graffiti on it." can we conclude that "A man has a handkerchief around his mouth and nose because it smells outside."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. This person could have used the handkerchief because it was smoggy outside not because it was smelling. The answer is it is not possible to tell.