Complex sentence: However in 2011, National Party candidate, Jo Hayes, reduced the incumbent, Clare Curran's majority from 6449 in 2008 to 4175 in 2011, and National gained a majority of the party vote in Dunedin South by 1837 votes.
Split into simpler sentences: However in 2011, National Party candidate, Jo Hayes, reduced the incumbent, Clare Curran's majority from 6449 in 2008 to 4175 in 2011. In 2011, Hayes gained a majority of the party vote in Dunedin South by 1837 votes.