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

What is the the old north no the old south branch of the Rhine called?
What is the the old south branch of the Rhine called?

How wait rather who did the government refuse to pay?
Who did the government refuse to pay?

What pushes  sorry What impact does workers working less have on productivity of a business?

What impact does workers working less have on productivity of a business?