Original sentence: {{otheruses|Bicycles were introduced in the 19th century and now number about one billion worldwide, twice as many as automobiles
Edited sentence: A bicycle, bike, or cycle is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other.A person who rides a bicycle is called a cyclist or a bicyclist.Bicycles were introduced in the 19th century and now number about one billion worldwide, twice as many as automobiles