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: The prime minister has "lost the trust" of Tory grassroots campaigners over her handling of Brexit, according to a party chairman in north Wales.

Theresa May: Clwyd South Tory group has no confidence in PM