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

Example Input: What did Slavic origin no Vrisovci own?
Example Output: What did Vrisovci own?

Example Input: Where, sorry, what was the seat of former party leader David McLetchie?
Example Output: What was the seat of former party leader David McLetchie?

Example Input: What concept er uh how were messages delivered before implementation?
Example Output:
How were messages delivered before implementation?