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

Example Input: Which or no make that what division offers more than one branch of studies that don't fit in with the other four?
Example Output: What division offers more then one branch of studies that don't fit in with the other four?

Example Input: When did Why did Vilnius become the capital of the Commonwealth?
Example Output: Why did Vilnius become the capital of the Commonwealth?

Example Input: When did the Germanic tribes claim territory in north and west Europe no wait tell me by when did the Germanic tribes not conquer the Celtic peoples?
Example Output:
By when did the Germanic tribes not conquer the Celtic peoples?