TASK DEFINITION: Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
PROBLEM: What was the Great Pestilence, or actually the Justinian plague, epidemic called?

SOLUTION: What was the Justinian plague epidemic called?

PROBLEM: What type of musical instruments did the Islamic no the Yuan keep out of China?

SOLUTION: What type of musical instruments did the Yuan keep out of China?

PROBLEM: Which is or no make that what is one function that prime numbers have that 15 does not?

SOLUTION:
What is one function that prime numbers have that 15 does not?