Premise & hypothesis.
A greyhound race with the lead dog wearing yellow and black stripes and the number 8

A dog runs a race.
++++++++++
true or not.
yes

Premise & hypothesis.
Two old men in bathing suits and swim caps on the edge of the water on a beach.

Two old men are horsing around in the pool.
++++++++++
true or not.
no

Premise & hypothesis.
Competitors getting ready to compete in a grand opening event hosted by the chief executive

The games are about to begin.
++++++++++
true or not.
yes