Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Example Input: When did What centuries did the Roman times take place within?
Example Output: What centuries did the Roman times take place within?

Example Input: What protocol was popular in the 1980s and 90s no the 70s and 80s for Apple?
Example Output: What protocol was popular in the 1970s and 80s for Apple?

Example Input: What aren't both developments of inewuality no Branko Milanovic and Joseph Stiglitz?
Example Output:
What aren't both Branko Milanovic and Joseph Stiglitz?