(S (S (PP (VBG According) (PP (TO to) (BASENP (DT the) (NNS police)))) (COMMA ,) (S (BASENP (DT the) (NNS members)) (VP (VBD had) (VP (VBN obtained) (NP (BASENP (NNS electronics) (CC and) (NNS chemicals)) (VP (VBN used) (PP (IN in) (BASENP (NNS bombs))))))))) (PERIOD .))