SRL for [coasted]: After his decisive primary victory over Mayor Edward I. Koch in September , Mr. Dinkins [coasted] , until recently , on a quite - comfortable lead over his Republican opponent , Rudolph Giuliani , the former crime buster who has proved a something of a bust as a candidate .
ARG-M-TMP: After his decisive primary victory over Mayor Edward I. Koch in September | ARG-0: Mr. Dinkins | ARG-M-TMP: until recently | ARG-1: on a quite - comfortable lead over his Republican opponent , Rudolph Giuliani , the former crime buster who has proved a something of a bust as a candidate