Original sentence: Boris Arkadyevitch Rybkin ()born Boruch Aronovich Rivkin ; 19 June 189927 November 1947) was a Soviet diplomat and a secret agent of NKVD
Edited sentence: Boris Arkadyevich Rybkin ()born Boruch Aronovich Rivkin ; 19 June 189927 November 1947) was a Soviet diplomat and a secret agent of NKVD