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

Example Input: Which non-Chinese or no make that non-Japanese empire did the Yuan dynasty succeed?
Example Output: What non-Japanese empire did the Yuan dynasty succeed?

Example Input: Which style was the Warsaw actually I mean the Paris Philharmony edifice built in?
Example Output: What style was he Paris Philharmony edifice built in?

Example Input: What did or first tell me who challenged the plague theory first?
Example Output:
Who challenged the plague theory first?