[Q] Test for natural language inference.
Premise: "Gentleman standing on a sidewalk looking at a building."
Hypothesis: "They work together at the establishment."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] There are not other people but the gentleman to be implied to being they work together.
The answer is it is not possible to tell.

[Q] Can we conclude from "A player falls on her knees during a roller derby." that "A player is knocked over during a roller derby."?
Options:
- yes
- no
- it is not possible to tell
[A] A player can fall on her knees without being knocked over.
The answer is it is not possible to tell.

[Q] Given the sentence "A young man holding a green balloon shaped like a star in front of a large stone building." is it true that "A person holds a balloon while waiting for a friend."?
[A] He could just be enjoying the building instead of waiting for a friend.
The answer is it is not possible to tell.