(S (S (NP (BASENP (DT An) (JJ upcoming) (NN conference)) (PP (IN in) (NP (BASENP (NNP Copenhagen)) (COMMA ,) (BASENP (NNP Denmark))))) (VP (MD will) (VP (VB focus) (PP (IN on) (S (VP (VP (VBG drawing) (PRT (RP up))) (NP (NP (BASENP (DT a) (JJ new) (JJ international) (JJ global) (NN warming) (NN treaty)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (BASENP (DT the) (NNP United) (NNPS States)) (VP (VBZ plans) (S (VP (TO to) (VP (VB attend)))))))) (COMMA ,) (NP (BASENP (DT a) (JJ clear) (NN reversal)) (PP (IN from) (NP (NP (BASENP (DT the) (NNP Bush) (NN administration) (POS 's)) (NN non-participation)) (PP (IN in) (BASENP (DT the) (NN 1997) (NNP Kyoto) (NNP Protocol))))))))))))) (PERIOD .))