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

Ex Input:
What combined with rising rather lowering prices to make it difficult or impossible for poor people to keep pace?

Ex Output:
What combined with lowering prices to make it difficult or impossible for poor people to keep pace?

Ex Input:
Which debate er what is the university's winter carnival and concert called?

Ex Output:
What is the university's winter carnival and concert called?

Ex Input:
What is the delta delimited in the West by, oh make that the South?

Ex Output:
What is the delta delimited in the South by?