(S (S (BASENP (NN 148) (NN member) (NNS countries)) (VP (VBP are) (VP (VBG trying) (S (VP (TO to) (VP (VB reach) (NP (BASENP (DT a) (NN consensus)) (PP (IN on) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB proceed) (PP (IN with) (NP (BASENP (DT the) (NNP Doha) (NN round)) (PP (IN of) (NP (BASENP (NNS talks)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (VP (VBN scheduled) (S (VP (TO to) (VP (VB be) (VP (VBN agreed) (PP (IN in) (BASENP (NN 2006))))))))))))))))))))))))))) (PERIOD .))