Student asked: Given the sentence "A man that is standing on the train is reading a book." is it true that "Man standing on the train."?
Teacher's response: Let's think. The man standing one the train may not be the a man standing on the train reading a book. The answer is it is not possible to tell.

Student asked: Premise: "A shirtless man works at a construction site."
Based on this premise, can we conclude that the hypothesis "A man is working as a lawyer." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A shirtless man works at a construction site instead of being a lawyer. The answer is no.

Student asked: Premise: "Sleeping man in chair holding sleeping boy."
Hypothesis: "A grandfather and grandson sleeping in a chair."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Grandfather and grandson are just one type of relationship that could be assumed of this pair. The answer is it is not possible to tell.

Student asked: Can we conclude from "A group of men work on the railroad tracks next to a truck." that "A group of men march in the middle of the street following a car."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The men can either march in the middle of the street work on the railroad tracks at one time. The answer is no.