Complex sentence: The Republican Party presidential primaries and caucuses are indirect elections in which voters cast ballots for a slate of delegates to the 2016 Republican National Convention; these delegates in turn directly elect the Republican Party's presidential nominee.
Split into simpler sentences: The Republican Party presidential primaries and caucuses are indirect elections in which voters cast ballots for a slate of delegates to the 2016 Republican National Convention. These delegates in turn directly elect the Republican Party's presidential nominee.