With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: All the Pretty Horses is produced by Billy Bob Thornton.
text_B: Mack the Knife , also known as Dr. Mack , is a 1995 Hong Kong comedy-drama film written , produced and directed by Lee Chi-ngai , based on the manga Dr. Kumahige by Buronson and Takumi Nagaysu .. Buronson. Buronson. comedy-drama. comedy-drama. The film stars Tony Leung , Sean Lau , Alex To , Christy Chung , Andy Hui , Hilary Tsui and Gigi Leung in her debut film role .. Tony Leung. Tony Leung Chiu-wai. Sean Lau. Sean Lau. Alex To. Alex To. Christy Chung. Christy Chung. Andy Hui. Andy Hui. Gigi Leung. Gigi Leung
not_related.