Premise & hypothesis.
Man with white hair playing an accordion in the middle of some buildings.

A man is a famous musician.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A boy wearing headphones sits on a woman's shoulders.

A man sits on another man's shoulders.
++++++++++
true or not.
no

Premise & hypothesis.
People walking and relaxing in a plaza.

People are enjoying vacation.
++++++++++
true or not.
it is not possible to tell