Premise & hypothesis.
A woman with long blond-hair is sitting on a stool with a piano.

The woman is standing atop the piano.
++++++++++
true or not.
no

Premise & hypothesis.
Children sitting on a bench eating something out of a small cup.

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

Premise & hypothesis.
One man doing stunts while onlookers watch him.

A man fighting while other watching him
++++++++++
true or not.
it is not possible to tell