With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Imperium (2016 film) was written by a politician.
text_B: K. is a crime novel by the American writer Mary Roberts Rinehart -LRB- 1876 -- 1958 -RRB- set in post-Victorian era Allegheny , Pennsylvania , which has been a part of the city of Pittsburgh since 1907 .. Mary Roberts Rinehart. Mary Roberts Rinehart. crime novel. Crime fiction. Pittsburgh. Pittsburgh. The novel tells the story of Sidney , who takes in a boarder with the initial K. and whose presence leads to mystery .. Ms Rinehart is considered the American Agatha Christie .. Agatha Christie. Agatha Christie. Rinehart invented the phrase `` the butler did it '' , and wrote hundreds of short stories , plays , travelogues and special interest articles .. K is a romance set in the industrial Victorian era .. When Sidney takes in a border with the initial `` K '' , her life becomes entwined with the mystery surrounding `` K '' .. Lies and intrigue surround Sidney .. A film version of K. , starring Virginia Valli and Percy Marmont , was released on 17 November 1924 by Universal Pictures as a `` Universal Jewel '' release ,. Virginia Valli. Virginia Valli. Percy Marmont. Percy Marmont. Universal Pictures. Universal Pictures
not_related.