Task: Text Categorization
Input (English): Context: This article describes Then 2 in the Canadian Now! series. It should not be confused with Now and Then Volume 2 in the South African Now! series. For more information see Now That's What I Call Music! And Then Volume 2 and List of Now That's What I Call Music! albums.Then 2 is a music compilation album that was released in Canada in 2000.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Plant, 3)Company, 4)Album, 5)Building
Output (English): 4