TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What are phagocytes in tissues that only have contact with the dentric cells no internal environment called?

SOLUTION: What are phagocytes in tissues that only have contact with the internal environment called?

PROBLEM: What gene converts vitamin D oh no calcitriol into calcidiol?

SOLUTION: What gene converts calcitriol into calcidiol?

PROBLEM: Which were um what were European countries not doing during the 1700's?

SOLUTION:
What were European countries not doing during the 1700's?