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

Ex Input:
When did or what type of math was advanced during the Yuan?

Ex Output:
What type of math was advanced during the Yuan?


Ex Input:
Trial division involves how many divisions are required to verify the division of the number 40 or rather 37?

Ex Output:
How many divisions are required to verify the division of the number 37?


Ex Input:
Who devised oh no lead the school back to leading research institution in 20th century?

Ex Output:
Who lead the school back to leading research institution in 2oth century?