Complex sentence: She was elected in a run-off on 31 October 2010, beating Brazilian Social Democracy Party (PSDB) candidate José Serra, and re-elected on 26 October 2014 in a narrow second-round victory over Aécio Neves, also of the PSDB.
Split into simpler sentences: She was elected in a run-off on 31 October 2010, beating Brazilian Social Democracy Party (PSDB) candidate José Serra. On 26 October 2014 she won a narrow second-round victory over Aécio Neves, also of the PSDB.