sentences: a renewable consumers is a mean of artificial bicycle
docs: bicycle is bilaterally_symmetric_object. motor_vehicle is mobile_artificial_pollution_source. stationary_artificial_pollution_source is tangible_thing. laundry_detergent is artificial_substance. bicycle_brake_cable is user_powered_device. bicycle is environmentally_friendly_mode_of_trasportation. mobile_artificial_pollution_source is tangible_thing. artificial_christmas_tree is consumer_durable. bicycle is user_powered_device. bicycles is environmentally_friendly_means_of_transportation.