Premise & hypothesis.
A man playing pool on a blue pool table.

The man is very good at playing pool.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A dog plays with a blue spiky ball in the grass.

A dog is chewing on a ball.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man riding his bicycle with a red and white umbrella has his picture taken by a crowd.

A man is with an umbrella
++++++++++
true or not.
it is not possible to tell