Student asked: Premise: "A man is carving a pig after freshly being barbecued while others look on and smile."
Based on this premise, can we conclude that the hypothesis "Man is buying pizza." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. If something is being barbecued then one is not buying pizza. The answer is no.

Student asked: Premise: "Onlookers watch a white stock car that has smoke coming out of the back."
Hypothesis: "There is a car race going on."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. The car race may not be going on any longer since it appears there may be a crash. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "Woman lunges to catch a frisbee."
Hypothesis: "A woman is trying to catch a frisbee."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Lunging to catch and trying to catch are the same thing. The answer is yes.

Student asked: If "Caviler does rope tricks on horseback for parade." does that mean that "A bullfighter flaunts for the crowd."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. One who engages in tricks is not necessarily one who flaunts. The answer is no.