TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: When did the no in what year did the Black Death originate in Central Asia?

SOLUTION: In what year did the Black Death originate in Central Asia?

PROBLEM: How many provinces did the Ottoman empire control on three continents er contain in the 17th century?

SOLUTION: How many provinces did the Ottoman empire contain in the 17th century?

PROBLEM: Which or no rather what organization was responsible for setting up the IPCC?

SOLUTION:
What organization was responsible for setting up the IPCC?