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:
She takes one of the two Beretta and she chooses to pull the trigger , pointing the weapon at me .

Ex Output:
Changed


Ex Input:
You radioed in ; you received permission to terminate your watch .

Ex Output:
Original


Ex Input:
An index chain later and the Sphinx is : hole by burrowing animal equals abnormal ground condition equals relief .

Ex Output:

Changed