With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charlize Theron played the lead role, Katie, in a 2015 mystery thriller.
text_B: Dark Places is a 2015 mystery thriller film directed by Gilles Paquet-Brenner .. Gilles Paquet-Brenner. Gilles Paquet-Brenner. Dark Places. Dark Places ( novel ). mystery. Mystery film. thriller. Thriller ( genre ). The screenplay , by Paquet-Brenner , is based on Gillian Flynn 's 2009 novel of the same name .. Gillian Flynn. Gillian Flynn. 2009 novel. 2009 in literature. of the same name. Dark Places ( novel ). It stars Charlize Theron , Christina Hendricks , Nicholas Hoult , and Chloe Grace Moretz .. Charlize Theron. Charlize Theron. Nicholas Hoult. Nicholas Hoult. Chloe Grace Moretz. Chloe Grace Moretz. Christina Hendricks. Christina Hendricks. The film was released in France on April 8 , 2015 , and in the United States on August 7 , 2015 , by A24 .. A24. A24 ( company ). It is the second film Theron and Hoult have collaborated on , after Mad Max  : Fury Road .
related.