TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: How many Frenchmen or wait Englishmen won Battle of Carillon?

SOLUTION: How many Englishmen won Battle of Carillon?

PROBLEM: During what period was the Tethys floor discovered no no sorry when did the Jurassic Period end?

SOLUTION: When did the Jurassic Period end?

PROBLEM: What antigen no what evolved in modern jawed vertebrates?

SOLUTION:
What evolved in modern jawed vertebrates?