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.

Q: 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.

A: 10
****
Q: Text: Frank Martin Dooley (born March 21 1929) is an American former competition swimmer who represented the United States at the 1952 Summer Olympics in Helsinki Finland. Dooley swam for the gold medal-winning U.S. team in the qualifying heats of the men's 4x200-meter freestyle relay. He did not receive a medal however because under the Olympic swimming rules in effect in 1952 only relay swimmers who competed in the event final were medal-eligible.

A: 4
****
Q: Text: The Audi A4 is a line of compact executive cars produced since late 1994 by the German car manufacturer Audi a subsidiary of the Volkswagen Group.The A4 has been built in four generations and is based on Volkswagen's B platform. The first generation A4 succeeded the Audi 80. The automaker's internal numbering treats the A4 as a continuation of the Audi 80 lineage with the initial A4 designated as the B5-series followed by the B6 B7 and the current B8.

A:
6
****