[Q] Premise: "A woman is playing a piano with a landscape painted on it beside a man who is standing and playing a wooden recorder."
Hypothesis: "A woman is playing a piano."
Do we know that the hypothesis entailed by the premise?
[A] The primary fact is that the woman is playing a piano.
The answer is yes.

[Q] Test for natural language inference.
Premise: "A young boy is cooking lunch on the grill."
Hypothesis: "A child is learning how to use a grill."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A person cooking lunch on a grill doesn't mean he is learning how to do it for the first time.
The answer is it is not possible to tell.

[Q] Given the sentence "Man in stand up primitive canoe paddling in urban congested and contaminated area." can we conclude that "Man in canoe is paddling through a dense nasty area."?
Options:
- yes
- it is not possible to tell
- no
[A] Urban congested and contaminated area is a rephrasing of dense nasty area.
The answer is yes.