With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yelp existed in the 2010s.
text_B: Cogan 's Trade is a 1974 crime novel by George V. Higgins .. George V. Higgins. George V. Higgins. The novel was Higgins 's third novel centered on crime in Boston neighborhoods , following The Friends of Eddie Coyle and The Digger 's Game .. The Friends of Eddie Coyle. The Friends of Eddie Coyle ( novel ). In Cogan 's Trade , Cogan is a hitman who targets the person responsible for a card-game heist .. The person is identified through a second heist and pursued by Cogan , who works for an anonymous benefactor who also has a non-criminal role in society .. The 2012 film Killing Them Softly , directed by Andrew Dominik and starring Brad Pitt , is based on the novel .. Killing Them Softly. Killing Them Softly. Andrew Dominik. Andrew Dominik. Brad Pitt. Brad Pitt
not_related.