Complex sentence: Democratic presidential nominee Michael Dukakis chose Bentsen as his running mate in the 1988 presidential election, while the Republicans nominated a ticket consisting of Vice President George H. W. Bush and Senator Dan Quayle.
Split into simpler sentences: Democratic presidential nominee Michael Dukakis chose Bentsen as his running mate in the 1988 presidential election. The Republicans nominated a ticket consisting of Vice President Bush and Senator Dan Quayle.