Premise & hypothesis.
A guy in green is rollerskating on a narrow strip.

A man is rollerskating on a narrow strip.
++++++++++
true or not.
yes

Premise & hypothesis.
A young kid with a huge belt buckle pointing off-camera.

a kid on vacation
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A black man is sitting on a stool by a teal Garden Shed.

A black man is not sitting
++++++++++
true or not.
no