Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

[EX Q]: David Castlles-Quintana and Vicente Royuela do what for a hobby or I mean living?
[EX A]: What do David Castlles-Quintana and Vicente Royuela do for a living?

[EX Q]: Which no what is Warsaw's symbol?
[EX A]: What is Warsaw's symbol?

[EX Q]: what or why is majority rule used?
[EX A]:
Why is majority rule used?