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:
The force of the earth 's arching was not discriminate between city and human .

Ex Output:
Original


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

Ex Output:
Original


Ex Input:
Like in , spawned a little too hard one night and at age sixteen , got knocked up young .

Ex Output:

Changed