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.

How far from Warsaw does the Vistula river's environment change noticeably oh boy I meant how far from Czerniakow?
Output:
How far from Czerniakow does the Vistula river's environment change noticeably?