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:  Michael William Mike Lanham (born 2 August 1951) is a British former motorcycle speedway rider who had a long career with Ipswich Witches.Lanham took up speedway in 1971 at the training school at Rye House and was given a competitive ride the same year by Canterbury Crusaders. He won the BSSC Junior Trophy in his first season.

4