TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What types of work did the Khitans no the Han do in Eastern Asia?

SOLUTION:  What types of work did the Han do in Eastern Asia?

PROBLEM: How are the no let me ask, what type of medium is a 10BASE5 radio?

SOLUTION: What type of medium is a 10BASE5 radio?

PROBLEM: When did the, no wait, after what event are lagerstatten thought to have appeared?

SOLUTION:
After what event are lagerstatten thought to have appeared?