physical eruption effect new corals to relation
group_of_coral is not naturally_occurring_tangible_substance. coral is not invertebrate. coral_reef is solid_object. stony_coral is coral. stony_coral is not coral. coral_reef is not solid_object. group_of_coral is naturally_occurring_tangible_substance. coral is invertebrate. coral is ocean_animal. coral is not ocean_animal.