Premise & hypothesis.
A man is working in a restaurant while a man washes dishes behind him.

People work in a restaurant.
++++++++++
true or not.
yes

Premise & hypothesis.
A dancer wearing a traditional costume of red coat and tall black hat is leaping in the air beneath a sign stating "Ukraine".

The dancer is jumping to pose for a picture.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A person is catching a wave on a surfboard in the ocean on a clear sunny day.

A person catching a wave on a surfboard at a beach in a surf competition.
++++++++++
true or not.
it is not possible to tell