You will be given a definition of a task first, then some input of the task.
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

What law, oh no um, whose First Law of Motion says that unless acted upon be forces, objects would continue to move at a constant velocity?
Output:
Whose First Law of Motion says that unless acted upon be forces, objects would continue to move at a constant velocity?