Complex sentence: Rybak chose not to run for a fourth term as mayor, and his third term ended on January 2,2014, when Betsy Hodges was sworn in as the city's new mayor.
Split into simpler sentences: Rybak chose not to run for a fourth term as mayor. His third term ended on January 2,2014, when Betsy Hodges was sworn in as the city's new mayor.