Student asked: Premise: "A boy wearing an orange shirt has his hair sticking straight up from his head."
Hypothesis: "The boy in the red shirt smoothed down his hair."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The boy has on an orange shirt and his hair is sticking straight up not wearing a red shirt and smoothed down hair. The answer is no.

Student asked: Can we conclude from "A man dressed in a vest is holding a binder and walking across the street." that "The man is a sales man."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Just because a man dressed in a vest is holding a binder and walking across the street does not imply that he is a sales man. The answer is it is not possible to tell.

Student asked: Can we conclude from "A lady with blond-hair is walking briskly down the street." that "A blond is walking fast to get somewhere."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Not all lady is a blond. Walking briskly is not necessarily walking fast to get somewhere. The answer is it is not possible to tell.

Student asked: Given the sentence "A man in a green button-down shirt sings into a microphone." is it true that "A nicely dressed man makes a speech into a microphone."?
Teacher's response:
Let's think. A man at a microphone does not necessarily imply that he makes a speech. The answer is it is not possible to tell.