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: It 's a chance to meet , mingle , get to know other people .

Output: Original


Input: Consider Input: The voice didn 't say anything else , and I vowed not to play into this province .

Output: Changed


Input: Consider Input: Shai nods , wide eyed , and hurries off as though the rocking floor no longer bothers her .


Output: Original