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

Example Input: What was third I mean the second assessment report lacking in it?
Example Output: What was lacking in the second assessment report?

Example Input: What evolved er what molecules of the adaptive immune system only exist in jawed vertebrates?
Example Output: What molecules of the adaptive immune system only exist in jawed vertebrates?

Example Input: What can you find rather what does the Museum of the Polish Army portray the history of?
Example Output:
What does the Museum of the Polish Army portray the history of?