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: Her mother used her long nails to fluff her hair .

Output: Original


Input: Consider Input: A loudspeaker called out for everyone to pile on board in an orderly fashion .

Output: Original


Input: Consider Input: When we got there , a number of people were already seated in easy chairs , sipping tea or coffee , and quietly conversing .


Output: Original