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

Ex Input:
In which century by what term is a type of advocacy of empire known no do most consider the beginning of imperialism?

Ex Output:
 In which century do most consider the beginning of imperialism?


Ex Input:
Where is the rock, no, gravel from that is found in xenoliths?

Ex Output:
Where is the gravel from that is found in xenoliths?


Ex Input:
When did no what period opened the Tethys Ocean?

Ex Output:
What period opened the Tethys Ocean?