TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What does Mnemiopsis er the Beroe eat?

SOLUTION: What does the Beroe eat? 

PROBLEM: What did J. F. D. Shrewsbury sorry Graham Twigg publish in 1984?

SOLUTION: What did Graham Twigg publish in 1984?

PROBLEM: In a progressive system oh I mean tax, what increases as the taxable base amount decreases?

SOLUTION:
In a progressive tax, what increases as the taxable base amount decreases?