Premise & hypothesis.
In the cockpit, a pilot wearing a bright yellow vest presses buttons on the over-head control panel.

A pilot getting ready for takeoff
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
People are clapping at the performers.

The people are booing.
++++++++++
true or not.
no

Premise & hypothesis.
A man watches a woman who is sitting on the floor in front of six television screens.

Nobody sees the woman sitting on the floor
++++++++++
true or not.
no