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: Two political stalwarts - Edwin Poots and Sir Jeffrey Donaldson - are both vying to become the next leader of the Democratic Unionist Party (DUP).

DUP leadership race: All you need to know about the contest