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

Example Input: Juvenile platyctenids no wow Which genus lack tentacles and sheaths?
Example Output: Which genus lack tentacles and sheaths?

Example Input: When was the no where is the geochronologists um sorry stratigraphic section?
Example Output: Where is the stratigraphic section?

Example Input: How did or no make that when did geologists begin comparing fossils to each other?
Example Output:
When did geologists beginning comparing fossils to each other?