Given the task definition and input, reply with output. 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.

Context: The soundtrack to Stanley Kubrick's A Clockwork Orange was released to accompany the 1971 film of the same name. The music is a thematic extension of Alex's (and the viewer's) psychological conditioning. The soundtrack of A Clockwork Orange comprises classical music and electronic synthetic music composed by Wendy Carlos (who having not yet transitioned was credited as Walter Carlos). Some of the music is heard only as excerpts e.g. Edward Elgar's Pomp and Circumstance March No.
Question: The document can be classified to which topic?
Options: 1)Artist, 2)MeanOfTransportation, 3)Album, 4)Village, 5)EducationalInstitution
3