You will be given a definition of a task first, then some input of the task.
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

When was the book, oh wait, the paper published that the \"Millennial Northern Hemisphere temperature reconstruction\" graph was based on?
Output:
When was the paper published that the "Millennial Northern Hemisphere temperature reconstruction" graph was based on?