Student asked: Premise: "One man smokes a cigarette while a friend sits at the table with him."
Hypothesis: "The man is smoking his last cigarette."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Unless a man is dead no cigarette can be said to be his last cigarette. The answer is it is not possible to tell.

Student asked: If "A dog leaping over a hurdle." does that mean that "A dog rolling around."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The dog cant roll and be leaping at the same time. The answer is no.

Student asked: Can we conclude from "A male and a female are leaning against railing looking off with the ocean in the background." that "A man and woman are on a date."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. People can look at the ocean without being on a date. The answer is it is not possible to tell.

Student asked: Given the sentence "A man operating a furnace." can we conclude that "A person lights a flame."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man is a person operating a furnace who can do this only after lighting it. A furnace emits flame. The answer is yes.