Task: Text Categorization
Input (English): Context: Milkwhite Sheets is the fourth solo album released by former Belle & Sebastian member Isobel Campbell. The album was released on October 23 2006. It brings traditional songs from United Kingdom and songs written by Campbell. She said the album was inspired by the works of Jean Ritchie Anne Briggs and Shirley Collins.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)WrittenWork, 3)EducationalInstitution, 4)Album, 5)Athlete
Output (English): 4