Task: Question Answering
Input (English): Context : The Poisoned Chocolates Case (1929) is a detective novel by Anthony Berkeley set in 1920s London in which a group of armchair detectives, who have founded the ``Crimes Circle'', formulate theories on a recent murder case Scotland Yard has been unable to solve. 
Question : Which place does The Poisoned Chocolates Case exist in?
Output (English): London