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

[EX Q]: What does er when economic inequality is larger, more waste and pollution is?
[EX A]: When economic inequality is larger, more waste and pollution is?

[EX Q]: What evolved er what molecules of the adaptive immune system only exist in jawed vertebrates?
[EX A]: What molecules of the adaptive immune system only exist in jawed vertebrates?

[EX Q]: What publication shoot what do the top 400 richest Americans have less of than half of all Americans combined?
[EX A]:
What do the top 400 richest Americans have less of than half of all Americans combined?