In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.

[EX Q]: Context: Gianni Marzotto (13 April 1928 - 14 July 2012) was an Italian racing driver and entrepreneur. The son of Count Gaetano Marzotto he entered his first race in the Giro di Sicilia and finished second in class. His first major success occurred during the 1950 Mille Miglia driving a Ferrari. Marzotto repeated this success in 1953 in the record a time of 10 hours and 37 minutes. After retiring from Motor Racing Marzotto joined the Factory Lane G. Marzotto & F.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Artist, 3)WrittenWork, 4)Album, 5)Athlete
[EX A]: 5

[EX Q]: Context: The Udet U 12 Flamingo was an aerobatic sports plane and trainer aircraft developed in Germany in the mid-1920s. It was a conventional single-bay biplane of wooden construction with the wings braced by large I-struts. The pilot and instructor or passenger sat in tandem open cockpits. The U 12 proved extremely popular and sold well due in no small part to Ernst Udet's spectacular aerobatics routines while flying the aircraft.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Building, 3)MeanOfTransportation, 4)Company, 5)Plant
[EX A]: 3

[EX Q]: Context: Luis Alberto Romero Alconchel (born 28 September 1992) known as Luis Alberto is a Spanish footballer who plays for Premier League club Liverpool as a forward or a winger.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)WrittenWork, 3)Plant, 4)MeanOfTransportation, 5)Film
[EX A]:
1