Q: Can we conclude from "A cowboy is viciously thrown about as he attempts to hold on to a horse he is riding in a rodeo competition." that "The cowboy is riding for the championship."?
Options:
- yes
- no
- it is not possible to tell
A: Participating in a rodeo competition does not imply that the cowboy is riding for the championship.
The answer is it is not possible to tell.

Q: Premise: "A boy is sitting by the water trying to feed a swan."
Hypothesis: "A boy tries to feed the fish."
Do we know that the hypothesis entailed by the premise?
A: The boy cannot feed a swan and the fish at the same time.
The answer is no.

Q: Premise: "Five workers with safety vests working on covering the walls of a covered walkway."
Hypothesis: "The workers are all women."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Just because five workers with safety vests working on covering the walls of a covered walkway doesn't mean that they all are women.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A woman in a green dress is walking on a sidewalk while a man in a red shirt is standing beside a white car with the hood up."
Hypothesis: "Woman wearing all green walks on a sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
She could have been walking in the road instead of on the sidewalk.
The answer is it is not possible to tell.