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:
Who developed TRANSPAC sorry DATAPAC

Ex Output:
Who developed DATAPAC


Ex Input:
What is the chemical that mediates Type 4 or rather Type 1 hypersensitivity?

Ex Output:
What is the chemical that mediates Type 1 hypersensitivity?