TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Where no rather when was UNEP founded?

SOLUTION: When was UNEP founded?

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 concentrations or uh forces should serve as a brake on wealth concentration?

SOLUTION:
What forces should serve as a brake on wealth concentration?