Student asked: Given the sentence "The large brown dog with the red collar is in the grass." is it true that "The dog lost its collar."?
Teacher's response: Let's think. The dog can't have a red collar while having lost its collar. The answer is no.


Student asked: Given the sentence "A woman is filling air up into an incredible hulk balloon." is it true that "A woman is filling air up into a my little pony balloon."?
Teacher's response: Let's think. A woman is either filling air up into an Incredible Hulk balloon or a My Little Pony balloon. The answer is no.


Student asked: If "A small boy plays in a plastic blue tunnel toy." does that mean that "A boy is at his high school graduation."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People at their high school graduation are generally too old to play with plastic blue tunnel toys. The answer is no.


Student asked: Test for natural language inference.
Premise: "A snowboarder jumping off a mountain cliff."
Hypothesis: "A snowboarder is on the mountain."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. Jumping off of a cliff does not imply the snowboarder is on the mountain. The answer is it is not possible to tell.