Student asked: Test for natural language inference.
Premise: "Two men look down over a concrete wall at another person standing on two small wooden docks."
Hypothesis: "The men are looking behind themselves at something."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. If the two men look down over a concrete wall then they cannot be looking behind themselves. The answer is no.


Student asked: Given the sentence "A kayaker wearing a blue wetsuit and black helmet paddles his yellow kayak in murky rolling rapids." is it true that "The man is on the river."?
Teacher's response: Let's think. Kayaking in murky rolling rapids can happen in various bodies of water and doesn't happen exclusively on a river. The answer is it is not possible to tell.


Student asked: If "A intense looking dog is about to grab a ball in mid bounce." does that mean that "Dog taking a nap under a tree."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One cannot grab and be taking a nap at the same time. The answer is no.


Student asked: Premise: "A young woman sitting on a swing at a playground."
Hypothesis: "A girl sits on the merry-go-round."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A swing and a merry-go-round are different playground toys that one can not sit on simultaneously. The answer is no.