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 Input:
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 Output:
3


Ex Input:
Context: Philbertia alba is a species of sea snail a marine gastropod mollusk in the family Turridae.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)EducationalInstitution, 4)Animal, 5)WrittenWork

Ex Output:
4


Ex Input:
Context: Gary Frederick Holton (22 September 1952 – 25 October 1985) was an English singer-songwriter musician and actor from London. He was the frontman of the band Heavy Metal Kids (1974–77) he worked with Casino Steel (1981–84) and played the part of Wayne in the UK television comedy Auf Wiedersehen Pet (1983–85). Holton died from an overdose of morphine combined with alcohol in 1985.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)NaturalPlace, 3)MeanOfTransportation, 4)Album, 5)WrittenWork

Ex Output:

1