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: More than 80 Members of the Legislative Assembly (MLAs) from across all the political parties have signed a pledge to keep congenital heart surgery in Northern Ireland.

MLAs sign pledge to retain congenital heart services