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

Where does the Rhine begin or no I mean end?
Where does the Rhine end?

Who were later Yuan emperors isolated um what problems did the Yuan dynasty have near its end?
What problems did the Yuan dynasty have near its end?

How does no who does a gender pay gap tend to favor?
Who does a gender pay gap tend to favor?