Student asked: Test for natural language inference.
Premise: "Hiker crossing a waterfall."
Hypothesis: "The hiker is heading back to his camp."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Just because a hiker is crossing a waterfall does not mean he is heading back to camp. The answer is it is not possible to tell.


Student asked: Premise: "Shoppers walk down the street of what looks like a shopping district with some brightly colored buildings."
Hypothesis: "The shopping district is known for its brightly colored buildings."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The shoppers going through the brightly colored buildings doesn't mean its known for that. The answer is it is not possible to tell.


Student asked: Premise: "A woman with a blue shirt is putting something in her mouth."
Hypothesis: "A woman with a blue shirt puts a mint in her mouth."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. You can not infer she puts a mint in her mouth. The answer is it is not possible to tell.


Student asked: Premise: "Two hockey players are fighting with a referee watches."
Hypothesis: "The referee watches as the hockey player rights each other while drink a can of soda."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. The referee would not necessarily be drinking a can of soda. The answer is it is not possible to tell.