Student asked: Given the sentence "Teenage boy is riding a unicycle through a grassy park." can we conclude that "A boy rides a unicycle for exercise."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A teenage boy riding a unicycle through a grassy park is not necessarily riding for exercise. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "A bride and groom dancing while covered in money."
Hypothesis: "The newly married couple look stunning in their outfits made entirely out of twenty dollar bills."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Covered in money does not mean there outfits were made out of twenty dollar bills. The answer is it is not possible to tell.


Student asked: Premise: "People are skiing down a snow covered mountain."
Hypothesis: "People are skiing down a snow covered mountain while on vacation at a ski resort."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Not all people skiing down a snow covered mountain are on vacation. The answer is it is not possible to tell.


Student asked: Given the sentence "A photographer jumping at the end of a dock in a lake with his equipment." can we conclude that "A photographer by himself."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The photographer may or may not be jumping in the lake. The answer is no.