Q: Premise: "A bike rider is doing performance tricks."
Hypothesis: "A biker is performing on his bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A bike rider is doing performance tricks does not indicate that he is performing on his bike.
The answer is it is not possible to tell.

Q: Can we conclude from "A man in a wetsuit is suspended from a para-surfing harness whilst moving across the water on a board." that "The man will not go near the water."?
Options:
- yes
- no
- it is not possible to tell
A: A man cannot be para-surfing across the water and not go near water simultaneously.
The answer is no.

Q: Given the sentence "A middle-aged couple is dancing." is it true that "The man is wearing a white dress shirt with the sleeves rolled up and the woman is wearing a black dress."?
A: There is a couple dressed up dancing at a wedding reception.
The answer is it is not possible to tell.

Q: Premise: "A man in a leather jacket sings into two microphones."
Based on this premise, can we conclude that the hypothesis "A man sings into two microphones at a county fair." is true?
Options:
- yes
- it is not possible to tell
- no
A:
Not all men singing into microphones are at a county fair.
The answer is it is not possible to tell.