Student asked: Can we conclude from "A group of people are riding on a train while looking out of a window." that "The people are watching their families as they leave the station."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The people may or may not be watching their families out of the window and the train may not necessarily be at the station. The answer is it is not possible to tell.

Student asked: Premise: "A man flies through the air over a large canyon."
Based on this premise, can we conclude that the hypothesis "The man is escaping from the mental ward." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A large canyon is not in the same location as a mental ward. The answer is no.

Student asked: Given the sentence "Two dogs on the beach fight over a stick." is it true that "Two dogs are eating their food from a bowl."?
Teacher's response: Let's think. Dogs fighting over a stick is much different from eating food from a bowl. The answer is no.

Student asked: Premise: "A boy stands inside a half-completed igloo."
Based on this premise, can we conclude that the hypothesis "The boy is an eskimo." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Stands inside a half-completed igloo does not necessarily mean is an eskimo. The answer is it is not possible to tell.