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

Who or no rather what exposes organisms to infection?
What exposes organisms to infection?

Original sorry late published versions were utilized by who?
Late published versions were utilized by who?

How long no what is the last major city in the stream of the Rhine called?
What is the last major city in the stream of the Rhine called?