Student asked: Premise: "An older gentleman in a hat looking at something."
Based on this premise, can we conclude that the hypothesis "An older man in a suit is gazing out the window." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all older gentlemen wearing a hat are wearing a suit and looking at something doesn't necessarily mean looking out the window. The answer is it is not possible to tell.

Student asked: Can we conclude from "A man in a bicycle on a street with a bridge." that "A person is riding a bike on the street."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A bicycle on a street could be re-phrased as a bike on a street. The answer is yes.

Student asked: Premise: "A man working on laying a new roof."
Based on this premise, can we conclude that the hypothesis "A man with a blue hat working on laying a new roof." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man doesn't necessarily have on a blue hat. It could be any color or he may not have a hat on. The answer is it is not possible to tell.

Student asked: Premise: "Several people are walking along a scenic one-way highway."
Hypothesis: "The bird-watching club walks down the road in search of a warbler."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Walking along a scenic highway does not mean in search of a warbler. The answer is it is not possible to tell.