Question: A Best 2 - A Best 2 is a series of greatest hits compilation albums recorded by Ayumi Hamasaki which were released simultaneously on February 28 2007 (2007-02-28). A Best 2: Black debuted at #1 in Japan on its first day and took #2 in the weekly chart as well as in several countries throughout Asia. It was ranked #4 on CDJapan's Top 100 album of 2007. A Best 2: White debuted at #1 in Japan and several countries throughout Asia. A Best 2: White was ranked #3 on CDJapan's Top 100 album of 2007. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Album