Premise & hypothesis.
A surfer is riding in the barrel of a wave.

A surfer is coming back in from an hour of surfing
++++++++++
true or not.
no

Premise & hypothesis.
A man surrounded by others in a subway train.

The man is inside of a subway train.
++++++++++
true or not.
yes

Premise & hypothesis.
A muzzled greyhound leaps over grassy ground.

A greyhound jumps through the grass.
++++++++++
true or not.
yes