(S (S (BASENP (JJ Military) (NNS officials)) (VP (VBD said) (SBAR (IN that) (S (NP (BASENP (QP (RB about) (NN fifteen)) (NNS gunmen)) (PP (IN from) (BASENP (DT the) (NNP Manobo) (NN tribe)))) (VP (VP (VBD abducted) (NP (BASENP (DT some)) (PP (IN of) (NP (BASENP (DT the) (NNS residents)) (PP (IN of) (NP (BASENP (DT a) (NN village)) (PP (IN on) (BASENP (DT the) (NNP Mindanao) (NN island))))))))) (PP (IN on) (BASENP (NNP Thursday)))))))) (PERIOD .))