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

Ex Output:
Changed


Ex Input:
She would never be a normal printer .

Ex Output:
Changed


Ex Input:
When they stood and sang Christmas carols , his loud monotone voice boomed through the building , bringing several stares and a few appreciative nods .

Ex Output:

Changed