Student asked: Given the sentence "A young man sits on the curb while another rides a skateboard with green wheels down the street." is it true that "A young man waits for his turn on a skateboard."?
Teacher's response: Let's think. Just because the young man is sitting doesn't mean he waits for his turn. The answer is it is not possible to tell.

Student asked: Given the sentence "A girl in yellow dress is standing with her eyes closed in a busy park." is it true that "A girl is standing."?
Teacher's response: Let's think. The girl must have a dress on to be in a busy park. The answer is yes.

Student asked: If "A man stands on the edge of a cliff overhanging the ocean." does that mean that "A guy plans to jump off a cliff overhanging the ocean."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Just because A man stands on the edge of a cliff overhanging the ocean does not indicate that he plans to jump off a cliff overhanging the ocean. The answer is it is not possible to tell.

Student asked: Premise: "An overhead view of two girls riding on bike."
Hypothesis: "Two girls are sking."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The two girls can't be skiing and riding bikes and skiing at the same time. The answer is no.