Student asked: Premise: "A man with a gray beard is sitting by a window."
Hypothesis: "A man with a gray beard is looking out the window at the weather."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man sitting by a window may not be looking out the window at the weather. He may not be looking out the window at all. The answer is it is not possible to tell.


Student asked: Can we conclude from "Two cowboys roping horses in a rodeo." that "Two indians are hunting some horses."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. It can only be either cowboys or Indians. Roping and hunting are separate activities. The answer is no.


Student asked: Can we conclude from "A man walks in the city." that "A woman walks down a country road."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The subject could be either a man or a woman. A country road cannot be in a city. The answer is no.


Student asked: Premise: "The couple eat their meal outside."
Based on this premise, can we conclude that the hypothesis "A couple kill four police officers before escaping into the woods." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A couple can't eat their meal outside while they kill four police. The answer is no.