TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Which khanates or instead tell me what was the Yuan's unofficial state religion?

SOLUTION: What was the Yuan's unofficial state religion?

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: In 2011 oh I mean 2012, roughly how much was it to pay for a child in a New York City day school per year?

SOLUTION:
About how much did a New York City day school cost annually in 2012?