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 darkness is suffocating , as is the heat that increases with every step that takes us further and further underground .

Ex Output:
Original


Ex Input:
When her lips parted , I expected a string of thorns to come flying out .

Ex Output:
Changed


Ex Input:
They rushed to save the damsel in distress .

Ex Output:

Original