Student asked: Premise: "A man in a green shirt is making a cup of coffee."
Based on this premise, can we conclude that the hypothesis "The man enjoys coffee." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man can make coffee and it doesn't mean he enjoys coffee. The answer is it is not possible to tell.

Student asked: Premise: "Gray-haired man with glasses."
Hypothesis: "The man has gray hair."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man has gray hair is a rephrase of gray-haired man. The answer is yes.

Student asked: Premise: "Two young boys looking at comic books on a couch."
Hypothesis: "Two boys are playing video games on the couch."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Boys looking at comic books can't be playing video games at the same time. The answer is no.

Student asked: Given the sentence "A group of men in blue shirts and white pants walk across the street in a crowd of people." is it true that "Humans walking."?
Teacher's response:
Let's think. A group of men are humans. Walk and walking describe the same activity. The answer is yes.