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:
He had no stamina .

Ex Output:
Original


Ex Input:
In the end , she had caused the very fate she had tried so hard to coax .

Ex Output:
Changed


Ex Input:
We will not conclude the population .

Ex Output:

Changed