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

[Q]: What is er uh what evolved in later vertebrates?
[A]: What evolved in later vertebrates?


[Q]: How did Germany or make that France focus its efforts to not rebuild its empire?
[A]:  Where did France focus its efforts to not rebuild its empire?


[Q]: Who first er instead when was the Rhine first discovered?
[A]:
When was the Rhine first discovered?