(S (S (BASENP (NNP McGuinty)) (VP (VBZ is) (NP (BASENP (DT the) (JJ first) (NNP Liberal) (NN premier)) (SBAR (S (VP (TO to) (VP (VP (VB have) (BASENP (JJ back-to-back) (NNS majorities))) (PP (IN since) (NP (BASENP (NNP Mitchell) (NNP Hepburn)) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VP (VP (VBD held) (BASENP (NN office))) (PP (IN from) (BASENP (NN 1934-1942)))) (COMMA ,) (PP (IN with) (S (BASENP (PRPD his) (JJ second) (NN majority)) (VP (VBG starting) (PP (IN in) (BASENP (NN 1937)))))))))))))))))) (PERIOD .))