With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael McCary is an American R&B singer.
text_B: Michael Munn is a British author and film historian .. film historian. History of film. He lives in Sudbury , Suffolk .. His biography of Steve McQueen has been described as preposterous , and doubt cast on his biographies of Frank Sinatra , John Wayne , Jimmy Stewart , Sir Laurence Olivier , Richard Burton , and David Niven .. Steve McQueen. Steve McQueen. Frank Sinatra. Frank Sinatra. John Wayne. John Wayne. Jimmy Stewart. Jimmy Stewart. Sir Laurence Olivier. Laurence Olivier. Richard Burton. Richard Burton. David Niven. David Niven
not_related.