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:
Shoes , T-shirts , tight skirt , silk blouse , all in black .

Ex Output:
Changed


Ex Input:
When they crossed in front of the stump they raised their paddles into the air and shouted , " We 're the champs !

Ex Output:
Original


Ex Input:
I looked at the familiar surroundings as I drove and I could almost smell the pollen in the air .

Ex Output:

Original