Is the premise "A man slumbers on a city bench." true if "The homeless man is on the bench."?
it is not possible to tell
Is the premise "The airplane is being photographed from above." true if "The airplane has wings."?
yes
Is the premise "Two people in a slingshot ride." true if "Three people on a ride."?
no
Is the premise "Two women are having a laugh." true if "Two women are silently reading a book."?
no