Premise & hypothesis: Is the premise "A man a blue shirt cooking food on a grill." true if "A tall human cooking"?
A: it is not possible to tell

Premise & hypothesis: Is the premise "People gather and talk in the street." true if "The street is completely empty"?
A: no

Premise & hypothesis: Is the premise "A man wearing a gray jacket, black shirt, and gray pants is standing by a grill on a deck on a cloudy evening." true if "There are clouds in the sky above."?
A: yes

Premise & hypothesis: Is the premise "People are strolling and conversing on a sidewalk in front of a hospital." true if "The people are sitting."?
A:
no