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.

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

Text:  This article is about the journal published by Elsevier. For the Lippincott journal see SpineThe Spine Journal is a peer-reviewed medical journal covering research related to the spine. It is the official journal of the North American Spine Society. The journal was established in 2001 and is published by Elsevier.
14

Text:  The Big Wood River is a 137-mile-long (220 km) river in central Idaho. It is a tributary of the Malad River which in turn is tributary to the Snake River and Columbia River.

8