[Q] Premise: "Two men are jumping outside on concrete."
Hypothesis: "Two men are jumping outside on a trampoline."
Do we know that the hypothesis entailed by the premise?
[A] The men can't be jumping on concrete and a trampoline at the same time.
The answer is no.

[Q] If "The tour guide wore a dark shirt and cap as he pointed out the sign listing the rules to his young passengers." does that mean that "The tour guide wore a dark shirt and cap as he pointed out the sign listing the rules to his young passengers on the airplane."?
Options:
- yes
- it is not possible to tell
- no
[A] Tour guides do not have to be accompanying passengers on an airplane.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "The black dog in the field has something in its mouth."
Hypothesis: "The dog a bird in it's mouth."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Not everything that a dog might have in its mouth is a bird.
The answer is it is not possible to tell.