TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Which no what is Warsaw's symbol?

SOLUTION: What is Warsaw's symbol?

PROBLEM: Which building er parliament's temporary home was on the Royal Mills in what area?

SOLUTION: Parliament's temporary home was on the Royal Mills in what area?

PROBLEM: Who invented no um developed the lithium-ion battery?

SOLUTION:
Who developed the lithium-ion battery?