all inanimate nothing are made of mountain according to the room proven
glacier is natural_inanimate_thing. fossil is natural_inanimate_thing. rocks is inanimate_mineral_objects. group_of_mountains is naturally_occurring_tangible_substance. rock is inanimate_object. group_of_mountains is group_of_inanimate_objects. stone is natural_inanimate_thing. snow is natural_inanimate_thing. sea is natural_inanimate_thing. field_of_boulders is natural_inanimate_thing.