[Q] Premise: "A young man poses for a pictures while standing in front of a pond."
Hypothesis: "He is having his graduation picture taken at the pond."
Do we know that the hypothesis entailed by the premise?
[A] The event for the man's picture could be something other than graduation.
The answer is it is not possible to tell.

[Q] Given the sentence "A busy square somewhere in asia." is it true that "A busy square filled with people selling and buying various goods."?
[A] Just because the square is busy doesn't mean people are selling and buying various goods.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A woman sits in a chair and writes a note on a piece of paper."
Hypothesis: "A woman is sitting in a chair."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A woman could be sitting in a chair and writing a note.
The answer is yes.