Complex sentence: In 2005, Aida Mancillas stepped down from the Centro Board and the new Board President, Aurelia Flores, a lawyer, opened the door to dialogue with the Save Our Centro Coaliton.
Split into simpler sentences: In 2005, Aida Mancillas stepped down from the Centro Board and the new Board President. Mancillas was replaced as board president by Aurelia Flores, a lawyer, who opened the door to dialogue with the Save Our Centro Coaliton.