Either one person is on the vehicle, or four people are on the vehicle, not both.  Motorbikes usually refer to a two wheeled motorized vehicle without pedals, while a motorized bicycle has pedals.


Context: "A blurred person on a motorized bicycle while three people are on the right side of the street." Claim: "Four people riding a motorbike on a sidewalk."
Considering the context, is the claim true, false, or unknown?