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

Ex Input:
How many er which plateau is the left part of Vistula on?

Ex Output:
Which plateau is the left part of Vistula on?

Ex Input:
What do no I meant Who do some tax agents want to make and impression on during an arrest?

Ex Output:
Who do some tax agents want to make and impression on during an arrest?

Ex Input:
What was the average family size sorry I should have said household size?

Ex Output:
What was the average household size?