TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: When do um where do most students at the Groton School come from?

SOLUTION: Where do most students at the Groton School come from?

PROBLEM: What is Warsaw's National Museum most known for?

SOLUTION: Warsaw's National Museum is one of the most what?

PROBLEM: What is the most no actually the least dominant economic sectors in the Middle Rhine area?

SOLUTION:
What the least dominant economic sectors in the Middle Rhine area?