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

Example Input: What was the U.S. Information Agency engaged, oops, charged with doing during the Cold War?
Example Output: What was the U.S. Information Agency charged with doing during the Cold War?

Example Input: What building was demolished in 2004 or rather 2014?
Example Output: What building was demolished in 2014?

Example Input: Which are the or no make that what are the phagocytes that are located in tissues in contact with the external environment called?
Example Output:
What are the phagocytes that are located in tissues in contact with the external environment called?