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

[EX Q]: In which century by what term is a type of advocacy of empire known no do most consider the beginning of imperialism?
[EX A]:  In which century do most consider the beginning of imperialism?

[EX Q]: What does ctenophore use to adhere or uh capture prey?
[EX A]: What does ctenophore use to capture prey?

[EX Q]: What space-time path is viewed no seen as a curved line in space?
[EX A]:
What space-time path is seen as a curved line in space?