With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 28 Days (film) has Elizabeth Perkins as a costar.
text_B: 28 Days is a 2000 American comedy-drama film directed by Betty Thomas .. Betty Thomas. Betty Thomas. comedy-drama film. comedy-drama film. Sandra Bullock plays Gwen Cummings , a newspaper columnist obliged to enter rehabilitation for alcoholism .. Sandra Bullock. Sandra Bullock. rehabilitation. drug rehabilitation. alcoholism. alcoholism. The film costars Viggo Mortensen , Dominic West , Elizabeth Perkins , Steve Buscemi , and Diane Ladd .. Viggo Mortensen. Viggo Mortensen. Dominic West. Dominic West. Elizabeth Perkins. Elizabeth Perkins. Diane Ladd. Diane Ladd. Steve Buscemi. Steve Buscemi
related.