Premise: People gathered in a circle, some holding musical instruments.

Hypothesis: They are playing for tips.
it is not possible to tell

Premise: Old guy, looking like Jerry Garcia, playing guitar on stage while others stand behind him.

Hypothesis: The guy is a hippie.
it is not possible to tell

Premise: Five people are looking at something interesting through a glass.

Hypothesis: Five people examine the Bill of Rights.
it is not possible to tell

Premise: Men working on a red and white car at a race car event.

Hypothesis: Men working at the Indy 500.
it is not possible to tell