TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Who decides, or better yet, the Presiding Officer tries the achieve a balance between similar viewpoints and whom?

SOLUTION: The Presiding Officer tries the achieve a balance between similar viewpoints and whom?

PROBLEM: What city principal no proper has a population of 1,345,596?

SOLUTION: What city proper has a population of 1,345,596?

PROBLEM: When were medicinal properties of plants in Ancient Greece I mean who was the only man to study them?

SOLUTION:
Who was the only man to study medicinal properties of plants in Ancient Greece?