(S (S (BASENP (PRP They)) (VP (MD did) (VP (VB agree) (SBAR (IN that) (S (SBAR (IN if) (S (NP (BASENP (DT the) (NNP WTO) (POS 's)) (BASENP (NNP Doha) (NNS talks))) (VP (VP (VBD were) (RB not)) (VP (VBN completed) (PP (IN by) (NP (BASENP (DT the) (NN end)) (PP (IN of) (BASENP (DT the) (NN year))))))))) (COMMA ,) (S (BASENP (DT the) (NNP APEC) (NN zone)) (VP (MD would) (VP (VB be) (VP (VBN examined)))))))))) (PERIOD .))