(S (S (S (BASENP (DT This)) (VP (VP (MD may) (RB not)) (VP (VP (VB be) (NP (BASENP (DT the) (NN end)) (PP (IN of) (NP (NP (BASENP (NNP Microsoft) (POS 's)) (NNS troubles)) (PP (IN with) (BASENP (DT the) (NNP European) (NNP Union))))))) (ADVP (RB yet))))) (COMMA ,) (SBAR (IN as) (S (BASENP (DT the) (NN commission)) (VP (VBZ is) (VP (ADVP (RB currently)) (VP (VBG investigating) (NP (BASENP (NN two) (JJ other) (NNS complaints)) (PP (IN about) (NP (BASENP (DT the) (NN company) (POS 's)) (BASENP (JJ anti-competition) (NNS practices))))))))))) (PERIOD .))