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:
- following which , you will spy on them and report their findings directly to me . "

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:
It 's the inflection , Hal decided as he weakly shook out his frozen digits .

Ex Output:

Changed