Q: Premise: "A father and his son riding a motorcycle around town."
Based on this premise, can we conclude that the hypothesis "The motorcycle is broken." is true?
Options:
- yes
- it is not possible to tell
- no
A: The father and his son could not have been riding a broken motorcycle.
The answer is no.

Q: Premise: "A man dressed in safety gear and a hood is using a grinder on a piece of metal."
Hypothesis: "The man is creating an automotive part."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A man dressed in safety gear and a hood is not necessarily creating an automotive part.
The answer is it is not possible to tell.

Q: Can we conclude from "A motorcyclist racing down a drag strip." that "A motorcycle rider is going down the drag strip trying to win."?
Options:
- yes
- no
- it is not possible to tell
A: A motorcyclist racing down a drag strip may not necessarily be trying to win.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A man about to throw a tennis ball to a brown dog in the grass."
Hypothesis: "A man is going to throw a ball for the dog because the dog enjoys playing fetch."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Not all dogs enjoy playing fetch. Tennis balls aren't only used for a dog who enjoys fetch.
The answer is it is not possible to tell.