[Q] Premise: "These students in class are sitting down doing work."
Hypothesis: "Students in a class."
Do we know that the hypothesis entailed by the premise?
[A] One must be in a class to be sitting down doing work.
The answer is yes.

[Q] If "A lady in a purple top and a white skirt is watching a marching parade." does that mean that "A lady is inside a bar."?
Options:
- yes
- it is not possible to tell
- no
[A] The lady could not watch a marching parade while inside a bar.
The answer is no.

[Q] Premise: "Four people are walking along a city sidewalk."
Hypothesis: "While the one in the green hat talks on a cellphone."
Do we know that the hypothesis entailed by the premise?
[A] A businessman is plotting to leave his submarine in the fall.
The answer is no.