TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What do increased immune system sorry hormone levels cause in aging adults?

SOLUTION: What do increased hormone levels cause in aging adults?

PROBLEM: How many Nobel laureates are alumni of the school no how many US presidents?

SOLUTION: How many US presidents are alumni of the school?

PROBLEM: How many provinces, oh no I mean, when was the Ottoman empire at its height?

SOLUTION:
When was the Ottoman empire at its height?