Input (grade 10): The plot concerns the attempt of the hero Belmonte, assisted by his servant Pedrillo, to rescue his beloved Konstanze from the seraglio of the Pasha Selim.
Output (grade 9): The story is about the hero Belmonte, helped by his servant Pedrillo, who tries to rescue his beloved Konstanze from the seraglio (palace) of the Pasha Selim.