(S (S (BASENP (NNP Dobson)) (VP (VBZ is) (VP (ADVP (RBS best)) (VP (VBN known) (PP (IN for) (S (VP (VP (VP (VBG winning) (BASENP (NN 20) (NNS games))) (PP (IN in) (BASENP (DT the) (NN 1971) (NN season)))) (PP (IN for) (BASENP (DT the) (NNP Baltimore) (NNP Orioles)))))))))) (PERIOD .))