(S (S (NP (BASENP (NNS Residents)) (PP (IN in) (NP (BASENP (DT the) (NN city)) (PP (IN of) (BASENP (NNP Port) (NNP Harcourt)))))) (VP (VBD said) (SBAR (IN that) (S (BASENP (JJ Nigerian) (NNS troops)) (VP (VP (VP (VBD burnt) (PRT (RP down))) (NP (BASENP (NNS hundreds)) (PP (IN of) (BASENP (NN slum) (NNS dwellings))))) (COMMA ,) (PP (ADVP (RB allegedly)) (PP (IN as) (NP (BASENP (NN reprisal)) (SBAR (IN after) (S (BASENP (DT an) (NNP Army) (NN sergeant)) (VP (VBD was) (VP (VBN killed) (PP (IN in) (NP (NP (BASENP (NNP Thursday) (POS 's)) (NN abduction)) (PP (IN of) (NP (BASENP (NN oil) (NNS workers)) (PP (IN in) (BASENP (DT the) (NN area))))))))))))))))))) (PERIOD .))