(S (S (BASENP (DT The) (NN cleric)) (VP (ADVP (RB also)) (VP (VBZ denies) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VBD was) (PP (IN in) (NP (BASENP (NN possession)) (PP (IN of) (NP (BASENP (DT a) (NN document)) (SBAR (WHNP (WDT which)) (S (VP (MD could) (VP (VB be) (VP (VBN considered) (S (VP (TO to) (VP (VB help) (PP (IN in) (NP (BASENP (DT the) (NN preparation)) (PP (IN of) (BASENP (NN terrorist) (NNS attacks))))))))))))))))))))))) (PERIOD .))