[QUESTION] Test for natural language inference.
Premise: "A skateboarder wearing a black shirt is doing a trick."
Hypothesis: "A person is skateboarding."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A skateboarder is a person and doing a trick on a skateboard constitutes skateboarding.
The answer is yes.

Q: Premise: "A woman in a race turning a corner."
Hypothesis: "The woman is running a marathon."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A race can be conducted in formats other than a marathon.
The answer is it is not possible to tell.

QUESTION: If "Two performers putting on a mock fight for an audience that is watching attentively." does that mean that "Two men fight to the death."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Either the fight is a mock fight or it is a fight to the death.
The answer is no.

[QUESTION] If "A policeman walks away from a gate with a large brown and black dog." does that mean that "A policeman is rescuing dogs."?
Options:
- yes
- it is not possible to tell
- no
Just because a policeman walks away from a brown and black dog it does not mean he is rescuing dogs.
The answer is it is not possible to tell.

Q: Premise: "A professional photographer is taking photos of possible newly discovered herbal medicines while talking to a local inhabitant."
Hypothesis: "A person is taking photos for their business."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Although the person taking photos is a professional there is no evidence that he is taking photos for his business.
The answer is it is not possible to tell.

[QUESTION] Premise: "A boy skateboards on a wooden bench."
Hypothesis: "A young boy is riding his bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Riding a skateboard and a bike are not the same thing.
The answer is no.