Q: Premise: "A skater with dreadlocks flips his board in while in the air."
Hypothesis: "A skater with dreadlocks practices his skills by flipping his board while in the air."
Do we know that the hypothesis entailed by the premise?
A: A skater flips his board doesn't mean he practices his skills.
The answer is it is not possible to tell.

Q: Can we conclude from "A group of people walking across a rope bridge." that "A group of people walking across a stone bridge."?
Options:
- yes
- no
- it is not possible to tell
A: Bridge cannot be made of rope and stone at same time.
The answer is no.

Q: Can we conclude from "A woman is wearing a sash while waving." that "A woman waving to the crowd after winning a contest."?
Options:
- yes
- no
- it is not possible to tell
A: The woman is not shown to be waving to a crowd for winning a contest.
The answer is it is not possible to tell.

Q: Given the sentence "A man is sleeping on a bench outside." is it true that "Man walking on side walk."?
A:
A man who is sleeping on a bench can not be walking somewhere else.
The answer is no.