Q: Premise: "A person on a bike in the air over a ramp."
Hypothesis: "A person on a bike over a ramp."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A person who is on a bike over the ramp is necessarily in the air.
The answer is yes.

Q: Premise: "Child and adult wearing winter attire riding bicycles down the street."
Hypothesis: "People dressed in swimming attire are riding their bikes down the beach."
Do we know that the hypothesis entailed by the premise?
A: People wearing winter attire and swimming attire cannot be done simultaneously due to different seasons.
The answer is no.

Q: Test for natural language inference.
Premise: "Little boy with dark hair chasing a pigeon flying through the air."
Hypothesis: "A little blonde boy ignores a pigeon."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The boy cannot be ignoring a pigeon while also chasing it.
The answer is no.

Q: Premise: "A snowboarder is grinding on a rail down a slope with snow all around."
Based on this premise, can we conclude that the hypothesis "A snowboarder poses in front of the ski lift." is true?
Options:
- yes
- it is not possible to tell
- no
A:
One cannot be grinding on a rail down a slope while posing in front of a ski lift.
The answer is no.