Premise & hypothesis: Is the premise "A man wears a floral bathroom as he stands over a trashcan." true if "A man isn't wearing any underwear."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A group of people are standing together outside as one takes a photograph." true if "Humans standing."?
A: yes

Premise & hypothesis: Is the premise "A young man plays a grand piano while others visit nearby." true if "The young man plays the piano."?
A: yes

Premise & hypothesis: Is the premise "A woman talking on a cellphone and a man with a mustache emerge up the stairs from an underground subway." true if "The man is clean-shaven."?
A:
no