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

Q: What is the Rhine, scratch that, where does its name come from?

A: Where does the name Rhine derive from? 
****
Q: When did the no in what year did the Black Death originate in Central Asia?

A: In what year did the Black Death originate in Central Asia?
****
Q: Who leads the Model UN or no make that the Student Government?

A:
Who leads the Student Government?
****