sentences: a bicycle is made of levers, wheels and axles, pulleys, and screws
docs: bicycle is bike. bicycle is two_wheeled_vehicle. bicycles is two_wheeled_vehicles. bicycles is two_wheeled_vehicle. bicycle has two_wheels_and_pedals bicycle is vehicle. bicycle is two_wheel_vehicle. bicycle is vehicle_with_two_wheels. bike is bicycle. bicycle_built_for_two is bicycle.