With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Red was directed by a producer.
text_B: Nightkill is a 1980 thriller film directed by Ted Post and starring Robert Mitchum and Jaclyn Smith .. Ted Post. Ted Post. Robert Mitchum. Robert Mitchum. Jaclyn Smith. Jaclyn Smith. thriller film. thriller film. The screenplay concerns an adulteress who hatches a plot to murder her millionaire husband while her lover assumes his identity .
not_related.