Given the task definition, example input & output, solve the new input case.
Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
Example: Why was uh where was the Rhine regulated with an upper canal?
Output: Where was the Rhine regulated with an upper canal?
The above disfluent question is correctly converted to a proper question. The 'uh' and the 'why' before the correction should be removed to make it fluent.

New input case for you: How much of the natural climate or no make that the greenhouse effect is due to carbon dioxide?
Output:
How much of the greenhouse effect is due to carbon dioxide?