Complex sentence: Darlene Magnolia Antonino-Custodio (born Darlene Magnolia R. Antonino on December 26,1973) is a Representative of the first district of South Cotabato and Gen. Santos City who is perhaps best known for defeating her challenger Manny Pacquiao in the 2007 elections.
Split into simpler sentences: Darlene Magnolia Antonino-Custodio (born Darlene Magnolia R. Antonino on December 26,1973) is a Representative of the first district of South Cotabato and Gen. Santos City. She gained national fame for defeating her challenger Manny Pacquiao in the 2007 elections.