[Q] Premise: "Two large brown short-haired dogs with collars play chase in a field."
Hypothesis: "Two big dogs are playing in a wheat field."
Do we know that the hypothesis entailed by the premise?
[A] The field where the dogs are playing is not necessarily a wheat field.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A man welding with a shield covering his face and protective clothing."
Hypothesis: "The man bought a new mask for his welding job."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A man welding with a shield does not infer that the man bought a new mask.
The answer is it is not possible to tell.

[Q] Can we conclude from "The men are crouched looking at a motorcycle parked in front of them." that "Men are looking at a motorcycle's broken tire."?
Options:
- yes
- no
- it is not possible to tell
[A] Men could be looking at something other than a broken tire.
The answer is it is not possible to tell.