Premise & hypothesis.
A man in skateboarding in an empty swimming pool.

A man is skating on the side of the pool
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A young boy is playing his guitar in his pajamas on a couch.

The child is playing an instrument shortly after he got out of bed.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A young boy wearing a gray sweater, blue jeans and boots hangs upside down in a tire swing.

The boy is sitting down.
++++++++++
true or not.
no