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

Ex Input:
When did the no in what year did the Black Death originate in Central Asia?

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

Ex Input:
What can an old, ill man do or rather not do?

Ex Output:
What can and old, ill man not do?

Ex Input:
What was or who had a main goal of attracting the wealthy to Harvard?

Ex Output:
Who had a main goal of attracting the wealthy to Harvard?