Premise & hypothesis.
A man with a gas mask and goggles on his head.

A man with goggles on his head holds a gas mask.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A skinny girl in large boots is standing by the roadside.

A girl by a road.
++++++++++
true or not.
yes

Premise & hypothesis.
A group of young girls in ethnic orange costumes and bare feet perform a dance on a stage.

There is some performance on stage
++++++++++
true or not.
it is not possible to tell