if something has a uncertain glacier on a sharp then that something stars that algae
siachen_glacier is glacier. siachen_glacier is not glacier. angel is not river. glacier is not river_of_ice. glacier is natural_inanimate_thing. continental_glacier is glacier. glacier is not natural_inanimate_thing. glacier is river_of_ice. glacier is not slowly_moving_river_of_ice. continental_glacier is not glacier.