Complex sentence: In 1989, Vrdolyak again ran for mayor of Chicago and won the Republican primary as a write-in candidate, but managed only 4% of the vote in a general election won by Democrat Richard M. Daley.
Split into simpler sentences: In 1989, Vrdolyak again ran for mayor of Chicago and won the Republican primary as a write-in candidate. However, he managed only 4% of the vote in a general election won by Democrat Richard M. Daley.