[Q] Given the sentence "A snowboarder glides down a stair rail." is it true that "A sad snowboarder glides down a stair rail."?
[A] A snowboarder who glides down a rail doesn't particularly suggest sad snowboarder.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A girl with extended arms goes down a slide."
Hypothesis: "A girl helps her mother prepare food."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] One can not goes down a slide and prepare food simultaneously.
The answer is no.

[Q] Premise: "A man standing behind dj equipment that sits on a table covered in a white cloth."
Hypothesis: "The man is swimming in a pool."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] There would be no DJ equipment to be standing behind while swimming in a pool.
The answer is no.