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: Čedomir Čeda Jovanović (Serbian Cyrillic: Чедомир Чеда Јовановић) (Serbian pronunciation: [tʃědomir tʃěːda joʋǎːnoʋitɕ] About this sound listen ) (born April 13 1971 in Belgrade) is a Serbian politician and businessman. He is the president of the Liberal Democratic Party (LDP).
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)NaturalPlace, 3)Album, 4)OfficeHolder, 5)Village

Ex Output:
4


Ex Input:
Context: A skorpió I. is a 1918 Hungarian film directed by Michael Curtiz.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)WrittenWork, 3)Plant, 4)Film

Ex Output:
4


Ex Input:
Context: The Boeing X-50A Dragonfly formerly known as the Canard Rotor/Wing Demonstrator was a gyrodyne unmanned aerial vehicle that was developed by Boeing and DARPA to demonstrate the principle that a helicopter's rotor could be stopped in flight and act as a fixed wing. The X-50A built upon the work of the Sikorsky S-72 X-Wing program of the 1980s by designing the vehicle as a multi-mode aircraft from the ground up.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)Building, 3)Film, 4)MeanOfTransportation, 5)Animal

Ex Output:

4