Premise & hypothesis.
A crowd looks on as a band plays music on a stage.

The crowd left as the band started to play music.
++++++++++
true or not.
no

Premise & hypothesis.
A man in a blue jersey and orange visor threw a frisbee along a grass hill.

The man is playing with a dog.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man wearing camouflage shorts is covered in shaving cream.

A camouflage shots man is covered in shaving cream.
++++++++++
true or not.
yes