[Q] Given the sentence "A person with a backpack stands on a rocky bank beside a body of water." can we conclude that "A backpacker is in the desert."?
Options:
- yes
- it is not possible to tell
- no
[A] One cannot be in the desert and beside a body of water simultaneously.
The answer is no.

[Q] Test for natural language inference.
Premise: "Crew men help clean up debris on a street."
Hypothesis: "The men clear the road for 25 an hour."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Then clear the road is not necessary to clean up the debris.
The answer is it is not possible to tell.

[Q] Premise: "A couple waiting at a crosswalk in a brightly lit city."
Hypothesis: "The people are going to cross the road."
Do we know that the hypothesis entailed by the premise?
[A] A couple waiting does not always mean they are going to cross the road.
The answer is it is not possible to tell.