(S (S (S (BASENP (NNP Telecom)) (VP (VBD chose) (S (VP (TO to) (VP (VB change) (BASENP (DT the) (NN partnership))))))) (SBAR (IN because) (S (BASENP (NNP Yahoo) (NNP !)) (VP (VBZ has) (VP (VP (VBN worked) (ADVP (RB together))) (PP (IN with) (NP (NP (BASENP (NNP BT) (NNP Group)) (COMMA ,) (BASENP (NNP Verizon))) (CC and) (BASENP (NNP Rogers) (NNPS Communications))))))))) (PERIOD .))