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

Ex Input:
According to the wealth concentration theory how does or no what advantage do the wealthy have in accumulating new wealth?

Ex Output:
According to the wealth concentration theory, what advantage do the wealthy have in accumulating new wealth?


Ex Input:
What city er where had the Mongol capital been before Kublai moved it?

Ex Output:
Where had the Mongol capital been before Kublai moved it?


Ex Input:
What did, my bad, Who did Abercrombie replace as captain in chief?

Ex Output:
Who did Abercrombie replace as captain in chief?