Premise & hypothesis.
A surfer just about to catch a long smooth wave on an orange surfboard.

The surfer is on an orange board
++++++++++
true or not.
yes

Premise & hypothesis.
A little child with a hat on lays on the grass amid a few scattered fallen leaves.

A child looks at the sky while laying among some early autumn leaves.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two people flipping into the clean crisp water.

Two people are flipping into water.
++++++++++
true or not.
yes