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: Labour leader Jeremy Corbyn has stepped up calls for a general election "at the earliest opportunity" to "break the deadlock" over Brexit.

Brexit: Jeremy Corbyn demands election to 'break deadlock'