TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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: What did the American Philosophical Society do with the memoir what did they produce in 1809?

SOLUTION: What did the American Philosophical Society produce in 1809?

PROBLEM: How did the economic growth or uh how did the education during the high school education movement differ from the subsequent high school education?

SOLUTION:
How did the education during the high school education movement differ from the subsequent high school education?