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

Input: Consider Input: What are phagocytes in tissues that only have contact with the dentric cells no internal environment called?

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

Input: Consider Input: What does the Rhine no rather Untersee mean?

Output: What does Untersee mean?

Input: Consider Input: What policy did Marxists no um Stalin implement shortly after Lenin's birth?
Output: What policy did Stalin implement shortly after Lenin's birth?