(S (S (BASENP (PRP It)) (VP (VBZ is) (VP (VBN thought) (SBAR (S (BASENP (DT the) (NN dead)) (VP (MD may) (VP (VB include) (NP (BASENP (NNS members)) (PP (IN of) (BASENP (DT the) (NNP CIA))))))))))) (PERIOD .))