Premise & hypothesis.
A blond woman is playing the guitar on stage.

A woman plays a sad song on stage.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man riding a horse jumps over two hurdles at an event.

A man performs at the event.
++++++++++
true or not.
yes

Premise & hypothesis.
An older man in blue overalls stands next to a machine as he gazes to his left off-camera.

A man is standing near a machine, gazing away.
++++++++++
true or not.
yes