Complex sentence: Maureen O'Sullivan (born 10 March 1951) is an Irish Independent politician and a Teachta Dála (TD) for the Dublin Central constituency, upon being elected in a by-election in June 2009.
Split into simpler sentences: Maureen O'Sullivan (born 10 March 1951) is an Irish independent politician. She has been a Teachta Dála (TD) for the Dublin Central constituency since June 2009.