Complex sentence: Space opera is a subgenre of science fiction that emphasizes space warfare, melodramatic adventure, set mainly or entirely in outer space, and often chivalric romance, usually involving conflict between opponents possessing advanced abilities, futuristic weapons and other sophisticated technology.
Split into simpler sentences: Space opera is a subgenre of science fiction that emphasizes space warfare, melodramatic adventure, set mainly or entirely in outer space, and often chivalric romance. It usually involves conflict between opponents possessing advanced abilities, futuristic weapons and other sophisticated technology.