Is the premise "A family is hiking across a rocky landscape." true if "a group of individuals walk about on some rocky terrain"?
yes
Is the premise "The dressed up young people are sitting in chairs while they wait." true if "They are waiting for their parents to finish conversing."?
it is not possible to tell
Is the premise "One man, wearing a hooded sweatshirt, sitting at a fountain watching the people of the city." true if "A man is standing in a fountain in the city."?
no
Is the premise "A young man in blue jeans performs a skateboard stunt." true if "A kid is riding skateboard."?
it is not possible to tell