[QUESTION] Premise: "A group of people enjoying dancing in a room."
Hypothesis: "The room is empty."
Do we know that the hypothesis entailed by the premise?
It can be either a group of people in a room or the room is empty.
The answer is no.

[QUESTION] If "A smiling man climbs a rock." does that mean that "The young man is thrilled to be rock climbing again so soon after his injury."?
Options:
- yes
- it is not possible to tell
- no
The man is young and has recovered from an injury so is happy to be climbing.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "A group of people are riding on a train while looking out of a window." that "The people are watching their families as they leave the station."?
Options:
- yes
- no
- it is not possible to tell
The people may or may not be watching their families out of the window and the train may not necessarily be at the station.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A woman wearing an olive green jacket and navy shirt looks tired as she comes up the steps from the subway."
Hypothesis: "The woman just got off a subway train."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Coming up steps from the subway does not imply that she just got off the subway.
The answer is it is not possible to tell.