Please answer the following question: 2 Become 1 (film) -  2 Become 1 (Chinese: 天生一對 Literal Title: Perfect Match) is a 2006 Hong Kong romantic comedy-drama film directed by Law Wing-Cheong and produced by Johnnie To. The film stars Miriam Yeung as Bingo Leung a working-class woman who discovers she has breast cancer. The film is based on Xi Xi's published diary Mourning For Breasts (哀悼乳房) which chronicled her own experiences. 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?
A:
Film