(S (S (PP-SBJ (BASENP (NN 警察)) (IN は)) (VP (SBAR (S (PP-SBJ (BASENP (NN 彼ら)) (IN が)) (VP (PP (BASENP (NN 捕虜)) (IN と)) (VP (VP (VP (VBV なっ) (VP (MD た))) (NN の)) (VP (VP (MDV で) (IN は)) (VP (MD ない) (VP (MDO だろ) (VP (MD う)))))))) (INQT と)) (VP (VBV 述べ) (VP (MD た))))) (PERIOD 。))
警察 は 彼ら が 捕虜 と なっ た の で は ない だろ う と 述べ た 。
Officials said it was not likely that they were taken captive .