(S (S (NP (BASENP (DT The) (NN chairman)) (PP (IN of) (BASENP (NN one) (NN taxi) (NN company)))) (VP (VBD said) (SBAR (S (BASENP (DT the) (VBN proposed) (NN measure)) (VP (MD would) (VP (VB increase) (NP (BASENP (DT the) (NN safety)) (PP (IN of) (BASENP (PRPD his) (NNS drivers)))))))))) (PERIOD .))