TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What building um no when was Warsaw Palace completely razed to the ground by bombing raids?

SOLUTION: When was Warsaw Palace completely razed to the ground by bombing raids?

PROBLEM: How many er what type of outlook do some of the non-Muslims in London have?

SOLUTION:  What type of outlook do some of the non-Muslims in London have?

PROBLEM: Where are the least amount of the water pollution no the least amount of factories found?

SOLUTION:
Where are the least amount of the factories found?