TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: When was no in what year did the Tudor era begin in England?

SOLUTION: In what year did the Tudor era begin in England?

PROBLEM: Who is the economist no vice-chair of the IPCC?

SOLUTION: Who is the vice-chair of the IPCC?

PROBLEM: Which are the or no make that what are the agents detected by the immune system called?

SOLUTION:
What are the agents detected by the immune system called?