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 's made out of old iron and horseshoe nails . "

Ex Output:
Original


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

Ex Output:
Changed


Ex Input:
Go on , " Logan urged , his curiosity apparently piqued .

Ex Output:

Original