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.

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

Output: Original


Input: Consider Input: I tried to invent the group away from physical violence .

Output: Changed


Input: Consider Input: I 've ordered some hardwood for the foyer , kitchen , and great room , and tile for the archives .


Output: Changed