TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Who wrote Freakonomics and is also a physicist no an anthropologist?

SOLUTION: Who wrote Freakonomics and is also an anthropologist?

PROBLEM: How many interactions are based on four fundamental interactions no are all of the universal forces based on?

SOLUTION: How many interactions are all of the universal forces based on?

PROBLEM: Who created RAND er uh ARPANET in the United States?

SOLUTION:
Who created ARPANET in the United States?