QUESTION: Test for natural language inference.
Premise: "A dark-skinned man tending to the merchandise of his shop."
Hypothesis: "A man is selling special herbs and spices in his apothecary shop."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A person can be tending to the merchandise of his shop without selling it. Not all merchandise is special herbs and spices.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Some people are crossing a green bridge over a river." is it true that "People are trying to get to the other side of a river."?
People can get to the other side of a river by means other than using a bridge.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A black dog approaches the camera with his hind legs raised and his ears forward."
Hypothesis: "The dog is playful."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A dog with hind legs raised may be distressed rather than playful.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A man lies down on a couch that has been placed on the street." that "A man is taking a nap on a couch in his yard."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The couch may not be in his yard. It could be in someone else's yard or even on the actual street.
The answer is it is not possible to tell.

[QUESTION] If "A kayak on the river is passing by a wire bridge that joins both banks." does that mean that "A kayak on the river in the fall."?
Options:
- yes
- it is not possible to tell
- no
A kayak on the river does not imply it is in the fall.
The answer is it is not possible to tell.

Q: Premise: "The woman is skating in the park."
Based on this premise, can we conclude that the hypothesis "The woman is running on a trail." is true?
Options:
- yes
- it is not possible to tell
- no
A:
A woman cannot be skating in a park while also running on a trail.
The answer is no.