Student asked: Given the sentence "A mountain biker riding his bike down a muddy path with mud splashing into the air and the biker is covered in mud." is it true that "The rider is mad because they are dirty."?
Teacher's response: Let's think. The bike rider may not be mad due to the mus splashing on him. The answer is it is not possible to tell.

Student asked: Given the sentence "A man in a blue shirt is working on some sort of machine and is standing below a picture of a man who looks like fidel castro." can we conclude that "A man is fixing a machine in cuba."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Pictures of people who look like Fidel Castro are not only found in Cuba. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "A man in a plaid shirt exhales smoke on a crowded city street."
Hypothesis: "A firetruck goes down the street."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A firetruck would not be called for a man who exhales smoke. The answer is no.

Student asked: Premise: "This is a small beige dog running through a grassy field."
Hypothesis: "He was happy."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Not all small beige dog running through a grassy field was happy. The answer is it is not possible to tell.