TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What organization er what is the UN's climate change treaty?

SOLUTION: What is the UN's climate change treaty?

PROBLEM: What rather who identified gravity as a force?

SOLUTION: Who identified gravity as a force?

PROBLEM: How far or uh instead when was the Tower Theatre built?

SOLUTION:
When was the Tower Theatre built?