(S (S (BASENP (NN Software) (NN giant) (NNP Microsoft)) (VP (VBZ has) (VP (VBN been) (VP (VBG attempting) (S (VP (TO to) (VP (VP (VB purchase) (BASENP (NN Internet) (JJ giant) (NNP Yahoo) (NNP !))) (PP (IN in) (NP (BASENP (NNS hopes)) (PP (IN of) (S (VP (VP (VBG leveraging) (NP (BASENP (DT the) (NN internet) (NN presence)) (PP (IN of) (BASENP (NNP Yahoo) (NNP !))))) (PP (IN in) (NP (BASENP (NNP Microsoft) (POS 's)) (NP (BASENP (NN battle)) (PP (IN with) (BASENP (NNP Google)))))))))))))))))) (PERIOD .))