Premise & hypothesis: Is the premise "a man is behind a cart trying to sell various food items." true if "The man is selling clothes."?
A: no

Premise & hypothesis: Is the premise "A group of people are gathered around a person laying on the ground." true if "The group of people were watching a show"?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A group of men are wearing hats while riding a horse in front of spectators." true if "Some men are riding a horse for a crowd."?
A: yes

Premise & hypothesis: Is the premise "The man and women are walking outside next to the river." true if "The couple take a romantic walk next to the Mississippi River."?
A:
it is not possible to tell