With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marlon Brando was in a film by a producer.
text_B: Joseph Leo Mankiewicz -LRB- February 11 , 1909 -- February 5 , 1993 -RRB- was an American film director , screenwriter , and producer .. Mankiewicz had a long Hollywood career , and he twice won the Academy Award for both Best Director and Best Writing , Screenplay for A Letter to Three Wives -LRB- 1949 -RRB- and All About Eve -LRB- 1950 -RRB- .. Academy Award. Academy Award. Best Director. Academy Award for Directing. A Letter to Three Wives. A Letter to Three Wives. All About Eve. All About Eve
related.