Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Suzanne Evans and Paul Nuttall have announced they are to run for the leadership of UKIP, with both promising to unite the troubled party.

Suzanne Evans and Paul Nuttall run for UKIP leadership