Premise & hypothesis.
A boy is running around the bases in a baseball game.

A girl finds herself to be a chess grand master.
++++++++++
true or not.
no

Premise & hypothesis.
A woman with gray hair is taking a picture while a man stands beside her.

There is someone standing next to the woman with gray hair.
++++++++++
true or not.
yes

Premise & hypothesis.
An older man in a red sweat suit playing a guitar on the sidewalk

The older man is a street performer accepting tips in his guitar case.
++++++++++
true or not.
it is not possible to tell