With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Carradine was involved with substance abuse.
text_B: Main Street After Dark is a 1945 American drama film directed by Edward L. Cahn and written by John C. Higgins and Karl Kamb .. Edward L. Cahn. Edward L. Cahn. John C. Higgins. John C. Higgins. drama film. drama film. The film stars Edward Arnold , Selena Royle , Tom Trout , Audrey Totter , Dan Duryea , Hume Cronyn and Dorothy Morris .. Edward Arnold. Edward Arnold ( actor ). Selena Royle. Selena Royle. Audrey Totter. Audrey Totter. Dan Duryea. Dan Duryea. Hume Cronyn. Hume Cronyn. Dorothy Morris. Dorothy Morris. The film was released on January 12 , 1945 , by Metro-Goldwyn-Mayer .. Metro-Goldwyn-Mayer. Metro-Goldwyn-Mayer
not_related.