Premise & hypothesis.
A man in a rugby uniform hitting a ball in a grassy field.

The man is playing a sport.
++++++++++
true or not.
yes

Premise & hypothesis.
A man plays a bagpipe while another checks on the instrument.

Two men playing piano.
++++++++++
true or not.
no

Premise & hypothesis.
A trombonist plays music into a microphone.

A trombonist plays.
++++++++++
true or not.
yes