if an object is discarded in a landfill then that object is trash
trash is not discarded_items_and_stuff. trash_compactor is garbage_container. garbage_waste is not collected_and_sent_to_landfills. trash is not either_recycled_or_thrown_away. landfill has not trash trash is discarded_items_and_stuff. garbage is not waste. trash is either_recycled_or_thrown_away. landfill has trash trash is object.