Premise & hypothesis.
A little girl in a purple polka-dot shirt is standing at a school table, experimenting with electric circuits.

A girl experiments with paints during art class.
++++++++++
true or not.
no

Premise & hypothesis.
At a martial arts demonstration, a few men in white uniforms stand atop one another, doing stunts.

The uniforms are black.
++++++++++
true or not.
no

Premise & hypothesis.
A crowded street in Europe.

crowd in street
++++++++++
true or not.
yes