(S (S (BASENP (NN Classified) (NNS memos)) (VP (VBP have) (VP (VBN revealed) (SBAR (IN that) (S (BASENP (DT the) (NNP Bush) (NN administration)) (VP (ADVP (RB knowingly)) (VP (VP (VBD endorsed) (NP (BASENP (JJ enhanced) (NN interrogation) (NNS techniques)) (PP (VBG including) (NP (NP (BASENP (NN waterboarding)) (CC and) (BASENP (JJ other) (NNS methods))) (PRN (COMMA ,) (SBAR (WHNP (WDT that)) (S (BASENP (NNS critics)) (VP (VBP call) (BASENP (NN torture))))) (COMMA ,)))))) (PP (IN for) (NP (BASENP (NN use)) (PP (IN against) (BASENP (NN terror) (NNS suspects)))))))))))) (PERIOD .))