[Q] Can we conclude from "Two women kneeling around the footrest of a couch observing a third woman's demonstration of a device." that "The women are learning something."?
Options:
- yes
- no
- it is not possible to tell
[A] A woman can demonstrate a device without the other women learning something.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "People are on a platform getting on and off of a red and blue train."
Hypothesis: "Going to work early in the morning."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Not all people going to work early in the morning. There are such things as night shift.
The answer is it is not possible to tell.

[Q] Given the sentence "A man sitting in the street with no shoes on." is it true that "A homeless man sits in the street."?
[A] A man with no shoes on a street need not be a homeless man.
The answer is it is not possible to tell.