Premise & hypothesis.
The sky is blue

The sky is clear.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A person skateboarding down a ramp at night.

A skateboarder fell down.
++++++++++
true or not.
no

Premise & hypothesis.
Three men are working on a road wearing hard hats and bright yellow construction gear.

Guys are wearing gear suited to construction work.
++++++++++
true or not.
yes