(S (S (BASENP (DT The) (JJ joint) (NN venture)) (VP (VBZ replaces) (NP (NP (BASENP (DT the) (ADJP (JJ current) (CC and) (JJ long-lasting)) (NN partnership)) (PP (IN between) (BASENP (NNP Microsoft) (CC and) (NNP Xtra)))) (COMMA ,) (VP (VBN called) (BASENP (NNP XtraMSN)))))) (PERIOD .))