Premise & hypothesis.
A man in a suit is giving a presentation inside a building.

A woman in a suit is giving a presentation inside a building.
++++++++++
true or not.
no

Premise & hypothesis.
a biker jumps over a pile of dirt.

The man is riding a red bike.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Blue race car driving down narrow road

The blue race car is driving outside.
++++++++++
true or not.
yes