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: A faulty till system that led to sub-postmasters being wrongly accused of stealing money is still not working properly, MPs have been told.

Post Office IT system that ruined lives 'still faulty', MPs told