(S (S (BASENP (NNS Authorities)) (VP (VP (VBD identified) (NP (BASENP (DT this) (JJ little-known) (NN reporter)) (SBAR (WHNP (WP who)) (S (VP (VBD specialized) (PP (IN in) (BASENP (NN economics)))))))) (PP (IN as) (BASENP (NNP Konstantin) (NNP Popov))))) (PERIOD .))