(S (S (PP (IN In) (NP (NP (NP (BASENP (NNS proceedings)) (PP (IN by) (BASENP (DT the) (NNP Guantanamo) (JJ military) (NN commission)))) (PP (IN at) (BASENP (DT the) (NNP United) (NNPS States) (NNP Guantanamo) (NNP Bay) (NNP Naval) (NNP Base)))) (PP (IN on) (BASENP (NNP Monday))))) (COMMA ,) (S (NP (BASENP (NNP Khalid) (NNP Sheikh) (NNP Mohammed)) (CC and) (BASENP (NN four) (JJ alleged) (NNS co-conspirators))) (VP (VBD stated) (SBAR (IN that) (S (BASENP (PRP they)) (VP (MD will) (VP (VP (VB confess) (CC and) (VB plead)) (ADVP (RB guilty) (PP (TO to) (NP (NP (BASENP (DT the) (NNS charges)) (SBAR (S (BASENP (PRP they)) (VP (VBP face))))) (PP (IN in) (NP (BASENP (DT the) (NN planning) (CC and) (NN execution)) (PP (IN of) (NP (BASENP (DT the) (NNP September) (NN 11) (NNS attacks)) (PP (IN in) (BASENP (NN 2001))))))))))))))))) (PERIOD .))