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.

Input: Consider Input: His Western boots were retained to a shine , and two pistols hung low at his side .

Output: Changed


Input: Consider Input: He tapped on the overhead display to awaken it and then displayed a digital diagram .

Output: Original


Input: Consider Input: Ty listened intently , holding his breath as he waited for the telltale breaking of twigs that signified the compost making a hasty retreat .


Output: Changed