Student asked: If "The young boy with a silly face is buckled in a car seat." does that mean that "The child is a bit nervous as he prepares to go to the hospital to have the operation done."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The young boy wouldn't be going to the hospital if he has a silly face. The answer is it is not possible to tell.


Student asked: Test for natural language inference.
Premise: "A man swings a golf club while the person to his left waves an arm."
Hypothesis: "A person plays tennis."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The man/person would not be swinging a golf club while playing tennis. A man is a person but a person is not necessarily a man. The answer is no.


Student asked: Premise: "A man walks across a city street on a sunny day."
Hypothesis: "A man walks quickly to an appointment."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Walking across a city street does not mean that he is going for an appointment. The answer is it is not possible to tell.


Student asked: Can we conclude from "Three men in yellow jackets on a large boat gather around a wooden board while a disinterested seagull flies by." that "The seagull is perched on the buoy."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The seagull that flies by cannot be the same one that is perched on the buoy. The answer is no.