Complex sentence: Gregg served his Sandborn community as a Democratic precinct committeeman from 1974 until 1986, when he ran against and defeated Republican incumbent Representative Bill Roach to represent District 45 in the Indiana House of Representatives.
Split into simpler sentences: Gregg served his Sandborn community as a Democratic precinct committeeman from 1974 until 1986. In 1986 he ran against and defeated Republican incumbent Representative Bill Roach to represent District 45 in the Indiana House of Representatives.