[Q] Test for natural language inference.
Premise: "Two young men are inspecting a vat and pipes on a dock or harbor."
Hypothesis: "The men work at the docks."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] The two men are inspecting on a dock or harbor but there is no indication that they are employees that work at the docks.
The answer is it is not possible to tell.

[Q] Given the sentence "A man in black runs a race." can we conclude that "A man dressed in black is running a marathon."?
Options:
- yes
- it is not possible to tell
- no
[A] The race the man is running may not be a marathon.
The answer is it is not possible to tell.

[Q] Premise: "A dog goes headfirst into the long grass from the sand."
Hypothesis: "There is a dog outdoors who got hurt in the grass."
Do we know that the hypothesis entailed by the premise?
[A] The dog that got hurt in sentence 2 may not have gone headfirst into the long grass.
The answer is it is not possible to tell.