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 Haitian colonists weren't gained by British no sorry French colonists?

SOLUTION: How many French colonists weren't gained by British?

PROBLEM: Killer T cells, erm, cytokine TBF-B suppresses the activity of what cell, modes no no types?

SOLUTION: Cytokine TBF-B suppresses the activity of what cell types?

PROBLEM: What Costa Rican or no make that Columbia president went to Harvard?

SOLUTION:
What Columbia President went to Harvard?