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:
She spent most of her days commanding a scout ship on the soles of Collective territory , gathering intelligence .

Ex Output:
Changed


Ex Input:
Calder 's ringtone came after breakfast while everyone was still seated at the table .

Ex Output:

Changed