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:
" Almost everything is paid for with vouchers or coupons that you buy from a guard . "

Ex Output:
Original


Ex Input:
The auto pilot took over and read through the data it had been sent by The Hero 's tankard .

Ex Output:
Changed


Ex Input:
" We plan to have the modules for two dads and a cruiser lifted into orbit by early December of this year .

Ex Output:

Changed