(S (S (BASENP (PRP They)) (VP (VBD reasserted) (NP (BASENP (JJ previous) (NNP President) (NNP Bush) (NNS statements)) (SBAR (IN that) (S (S (NP (EX there)) (VP (VBZ is) (NP (BASENP (DT no) (JJ clear) (NN time-table)) (PP (IN for) (BASENP (DT an) (JJ Iraqi) (NN withdrawal)))))) (SBAR (IN because) (S (BASENP (PRP it)) (VP (VBD depends) (PP (IN on) (NP (BASENP (DT the) (NN situation)) (PP (IN at) (BASENP (DT the) (NN time))))))))))))) (PERIOD .))