instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
How many er which plateau is the left part of Vistula on?
answer:
Which plateau is the left part of Vistula on?


question:
What did the Montreal Protocol try to address no no the Kyoto Protocol?
answer:
What did the Kyoto Protocol try to address?


question:
What is the name of the border no the the Delta in the Netherlands?
answer:
What is the name of the Delta in the Netherlands?