Student asked: Premise: "A guy in a sweater cleans the floor."
Hypothesis: "The guy is cleaning the floor with his sweater."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. It would be hard to clean the floor with your sweater if you are wearing the sweater. The answer is no.


Student asked: Test for natural language inference.
Premise: "The two women are smiling at the camera."
Hypothesis: "The women are taking a selfie."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Smiling at the camera doesn't mean they are taking a selfie. The answer is it is not possible to tell.


Student asked: Premise: "A black and brown dog wearing a red coat rolls in the snow."
Based on this premise, can we conclude that the hypothesis "The black dog is not wearing a coat." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The fact that a black and brown dog wearing a red coat doesn't imply that a black dog is not wearing coat. The answer is it is not possible to tell.


Student asked: Can we conclude from "A mixed sex group wear lobster bibs and wield mallets as they dine on crab at a restaurant." that "Crabs are using mallets to eat humans for dinner."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Either the mixed sex group eat crabs or crabs eat humans. The answer is no.