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:
In his works , poems and satires , he shows a stoic wisdom and a strong criticism for the abuses of his contemporaries .

Ex Output:
Original


Ex Input:
You can 't leave any stone chimney between you and the truth . "

Ex Output:
Changed


Ex Input:
The falcon screeched and dove at one of the enemies .

Ex Output:

Original