Student asked: Test for natural language inference.
Premise: "A soldier is demonstrating how to make an arrest."
Hypothesis: "This demonstration is being videotaped."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A soldier demonstrating an arrest does not imply that the demonstration is being videotaped. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "Two men performing each playing guitars while one is singing."
Hypothesis: "The men are playing in front of a crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Men performing are not assumed to do so in front of a crowd. The answer is it is not possible to tell.


Student asked: Given the sentence "Two young men hold a large ball while a third jumps over it." is it true that "The men are playing with a frisbee."?
Teacher's response: Let's think. Young men who hold a ball cannot also be playing with a frisbee. The answer is no.


Student asked: Premise: "Woman in a black shirt using an espresso machine."
Hypothesis: "Man making a cup of coffee."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. To use an espresso machine implies you are making espresso which is not the same thing as coffee. The answer is no.