if mars of a land plant or vegetable are lost in a thing then that thing used to be covered by land in the surprise
abandoned_home is abandoned_thing. abandoned_complex is abandoned_thing. abandoned_prison is abandoned_thing. abandoned_mine is abandoned_thing. abandoned_mission is abandoned_thing. abandoned_prison is not abandoned_thing. martian_stuff is not ground. abandoned_well is abandoned_thing. lost_river is natural_thing. martian_stuff is ground.