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: Why did Yuan's successors win control of the rest of the Mongol empire, oops Kublai's successor?

SOLUTION: Why did Kublai's successors win control of the rest of the Mongol empire?

PROBLEM: When did Hu Sihui die no Wei Yilin?

SOLUTION: When did Wei Yilin die?

PROBLEM: What is eliminated before sorry after the equity in the property?

SOLUTION:
What is eliminated after the equity in the property?