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: Pakistan's powerful army chief has stepped in to the political deadlock between the PM and two opposition figures leading huge anti-government rallies in the capital, Islamabad.

Pakistan military to mediate amid protest stand-off