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

How much do ctenophore er do rotifers act as when looking for a meal?
How do rotifers act as when looking for a meal?

How is no no um what is the stage 1 in the life of a bill?
What is stage 1 in the life of a bill?

What is one uncertainty about the principle ugh I mean theory of evolution that makes it complex?

What is one uncertainty about the theory of evolution that makes it complex?