Premise & hypothesis.
A man talking to other men while behind a camera on a tripod.

A man talking to the groom at the wedding he is photographing
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two men on motorcycles are driving down an empty street.

Two men are driving motorcycles.
++++++++++
true or not.
yes

Premise & hypothesis.
A military unit in a parade.

There is no parade today
++++++++++
true or not.
no