TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What social problems no what nationality aren't researchers Richard G. Wilkinson and Kate Pickett?

SOLUTION: What nationality aren't researchers Richard G. Wilkinson and Kate Pickett?

PROBLEM: What extends Downtown Fresno, oh actually what divides it?

SOLUTION: What divides Downtown Fresno?

PROBLEM: Where did the hero Siegfried discover the treasure, no I mean where did he discover the rock?

SOLUTION:
Where did the hero Siegfried discover the rock?