sentences:  From 1983 to 1986, MBC would be the prime advocate of political change.In 1983, he fought with his third cousin Andrés Soriano, Jr. for control of San Miguel Corporation (SMC).After losing the battle for control, he sold the Zóbel de Ayala family's shares (equivalent to 19% of SMC) in SMC to Eduardo Cojuangco, Jr. His controversial move was met with the displeasure of his aunt, Doña Mercedes, and cost him his position at Ayala.