Premise & hypothesis.
Two dogs, one with mouth open.

A dog is yawning.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man in a white uniform jumps while holding a basketball as another in blue blocks him.

The man is holding a football.
++++++++++
true or not.
no

Premise & hypothesis.
Two children are sitting in some tree branches.

The children are outside.
++++++++++
true or not.
yes