Is the premise "Person in green jacket and backpack biking through snow" true if "A person is riding their bike outside in the cold."?
yes
Is the premise "People are walking in a city street." true if "The city is busy."?
it is not possible to tell
Is the premise "A group of fishermen on a boat tied up in a bay, with piles of driftwood near them." true if "There is a boat and several fishermen near by."?
yes
Is the premise "A girl in a purple swimsuit is sitting by the pool, while a girl in red goggles is in the pool." true if "The girl in the purple swimsuit is the older sister of the girl in red goggles."?
it is not possible to tell