Q: If "A photographer prepares to take a photo of the girl." does that mean that "The camera is made of chocolate."?
Options:
- yes
- it is not possible to tell
- no
A: A camera made of chocolate totally contradictory to photographer preparing to take a photo.
The answer is no.

Q: If "A racing car goes through a dirt course while fans watch." does that mean that "The car is leaping through the air."?
Options:
- yes
- it is not possible to tell
- no
A: A car on a dirt course does not always imply that it is leaping.
The answer is it is not possible to tell.

Q: Given the sentence "The red-haired man in the black turtleneck is leaping into the air." is it true that "A man with red hair is leaping."?
A: A man with red hair is a rephrasing of red-haired man.
The answer is yes.

Q: Test for natural language inference.
Premise: "Two women on rollerskates with helmets and elbow and knee pads jostle one another as they skate."
Hypothesis: "The championship roller derby match is in progress."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Two women skating and jostling each other aren't necessarily in a championship match.
The answer is it is not possible to tell.