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:
Raptor winked at Gina as she flashed her ID to the buggy and he led her through .

Ex Output:
Changed


Ex Input:
I 'd used it to illuminate all manner of moans and screams when ... Noah .

Ex Output:
Changed


Ex Input:
But I knew that his business practices were less than ethical .

Ex Output:

Original