Premise: A man in black clothing plays a guitar in front of a brick wall.

Hypothesis: A man plays his guitar with a jar for change on the sidewalk.
it is not possible to tell

Premise: A woman with brown hair wearing a red polka dot dress is singing into a microphone.

Hypothesis: the woman is singing karaoke
it is not possible to tell

Premise: TWo people walking into a shadow in one direction while another walks in the midst of it.

Hypothesis: Three people and a shadow.
yes

Premise: Members of the rock group Rage Against the Machine stand on a stage under bright lights.

Hypothesis: Mariah Carey preparing to sing a song.
no