TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: How long er what can faith groups ask the Presiding Officer to do for them?

SOLUTION: What can faith groups ask the Presiding Officer to do for them?

PROBLEM: What types of work did the Khitans no the Han do in Eastern Asia?

SOLUTION:  What types of work did the Han do in Eastern Asia?

PROBLEM: When did the Cambrian sorry the Cretaceous-Paleogene extinction happen?

SOLUTION:
When did the Cretaceous-Paleogene extinction happen?