Premise & hypothesis.
A small whole is being drilled into a white piece of plastic while being held down securely on a workbench.

Safety procedures are being followed carefully while using a drill.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man in a blue jacket sitting at table reading in front of a restaurant.

He is blind.
++++++++++
true or not.
no

Premise & hypothesis.
A person doing bicycle tricks on a wooden ramp.

A bicyclist is doing tricks on a wooden ramp to impress his friends.
++++++++++
true or not.
it is not possible to tell