(S (S (BASENP (DT The) (NNP USA) (CC and) (NNP Europe)) (VP (VBP have) (NP (BASENP (DT each)) (VP (VBN contributed) (NP (NP (QP (ADVP (RBR more) (IN than)) (NN 25)) (NN %)) (PP (IN of) (NP (JJ accumulated) (BASENP (JJ global) (NNS emissions))))))))) (PERIOD .))