(S (S (BASENP (PRP They)) (VP (VP (VBP defend) (BASENP (DT the) (NN program))) (PP (IN by) (S (VP (VBG saying) (SBAR (S (BASENP (PRP they)) (VP (VBP are) (VP (ADVP (RB only)) (VP (VP (VBG listening) (PRT (RP in))) (PP (IN on) (BASENP (JJ suspected) (NNS terrorists))))))))))))) (PERIOD .))