In this task, you are given a sentence. You must judge whether a single noun or verb has been replaced with another word with the same part of speech. The inversion would result in the sentence sounding unnatural, So unnatural sentences will be considered changed. Label the instances as "Original" or "Changed" based on your judgment.

Ex Input:
It is naïve and hopeful to think that they would all testify for peace with us .

Ex Output:
Changed


Ex Input:
" There is no great-aunt , " Mat said with exasperation .

Ex Output:
Original


Ex Input:
He knew she cried at all the sad parts of an opera , and that she was awed by the intricacies of the music .

Ex Output:

Original