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: Theresa May has said she will quit as Conservative leader on 7 June, paving the way for a contest to decide a new prime minister.

Theresa May quits: UK set for new PM by end of July