TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What is NCAA or no make that Harvard's most intense rival?

SOLUTION: What is Harvard's most intense rival?

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

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

PROBLEM: What is the boundary at the bend in the Rhine no what ends at the bend?

SOLUTION:
What ends at this bend in the Rhine?