Task: Text Categorization
Input (English): 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.
Output (English): 4