(S (S (BASENP (NNP Flores)) (VP (VBD said) (SBAR (IN that) (S (NP (BASENP (DT the) (NN significance)) (PP (IN of) (NP (BASENP (DT the) (NN date)) (PRN (COMMA ,) (NP (BASENP (NN 9/9/09)) (COMMA ,) (NP (BASENP (DT the) (NN reverse)) (PP (IN of) (BASENP (NN 666))))) (COMMA ,))))) (VP (VBD was) (NP (BASENP (DT the) (NN reason)) (SBAR (WHADVP (WRB why)) (S (BASENP (PRP he)) (VP (VBD hijacked) (BASENP (DT the) (NN plane))))))))))) (PERIOD .))