Detailed Instructions: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
See one example below:
Problem: Who did the Han Chinese want to help the Khitan no I mean the Mongols fight?
Solution: Who did the Han Chinese want to help the Mongols fight?
Explanation: The input initially means Khitan and then changes to Mongols, hence this is correct.

Problem: Who has the ability to alter income tax in Scotland by up to 33 pence or rather who does not have this ability?
Solution:
Who does not have the ability to alter income tax in Scotland?