Q: In this task, you're given a text and question. The question is about the topic of the document. You are expected to generate an incorrect answer. The incorrect answer should be among one of the following categories: 1)Company, 2)Educational Institution, 3)Artist, 4)Athlete, 5)Office holder, 6)Mean of transportation, 7)Building, 8)Natural place, 9)Village, 10)Animal, 11)Plant, 12)Album, 13)Film, 14)Written work
Text: The Master of Hestviken is a tetralogy about medieval Norway written by Sigrid Undset. It was originally published in Norwegian as two volumes Olav Audunssn i Hestviken and Olav Audunssn og Hans Brn from 1925 to 1927. Hestviken is a fictional mediaeval farm on the East side of the Oslo fjord. The series is set partly during the Civil war era in Norway in which period the Bagler faction frequently established themselves in the nearby Viken area.
Question: WHat is the classified topic name
A:
Natural place