Premise & hypothesis: Is the premise "A BMX dirt rider gets extremely high in the air while looking downward at his descent." true if "The bike course is closed and no one is riding their bike."?
A: no

Premise & hypothesis: Is the premise "Several young adults drinking alcoholic beverages at a party." true if "A bunch of people at a library."?
A: no

Premise & hypothesis: Is the premise "A man in a green sweater holds a young boy." true if "A man holding his son in the cold."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Townspeople in a downtown market selling goods." true if "the people are at a market"?
A:
yes