Question: Mostazal River -  The Mostazal River is a river in the Coquimbo Region in Chile. It flows from east to west and changes its name to Rapel River (Coquimbo) which flows into the Embalse La Paloma. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Natural Place