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:
Her cupboards were abruptly halted when Cole walked into the kitchen , trailed by her son .

Ex Output:
Changed


Ex Input:
El Cid was a cog in the wheel , fighting between Christians and Muslims who serve the same deity .

Ex Output:
Original


Ex Input:
Emily cowered inside , but when she went to shut the door , someone 's foot was in the way .

Ex Output:

Changed