Definition: In this task, you are given a text which is the body of a document. Your job is to classify the topic of the document into these 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. Your output should be the category number. Don't generate anything apart from numbers 1-14.
Input: Text:  Rhenanorallus is a genus of prehistoric rail which existed in Mainz Basin Germany during the late Oligocene or early Miocene. It was described by Gerald Mayr in 2010 from a humerus. The type species is Rhenanorallus rhenanus.

10