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 Queen and the Duke of Edinburgh travelled to Coleraine, County Londonderry, for the final engagement of their three day visit to NI.

Queen's NI visit: WWI centenary marked in Coleraine