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

Ex Input:
Who is the brother, umm wait, father of Sophocles?

Ex Output:
Who is the father of Sophocles?


Ex Input:
Who is the economist no vice-chair of the IPCC?

Ex Output:
Who is the vice-chair of the IPCC?


Ex Input:
What kind of areas were least vulnerable to disease?

Ex Output:
Which areas were least vulnerable to disease?