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:
" What exactly is a human golem ? "

Ex Output:
Original


Ex Input:
It was soft , but it bounced off the cellar speakers , using the silence as an evacuation .

Ex Output:
Changed


Ex Input:
He stared up at the diagnosis of the temple and trembled .

Ex Output:

Changed