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: " Let 's mimic a truce .

Output: Changed


Input: Consider Input: The goon let Hale go and raced for his boss , but he was too late .

Output: Original


Input: Consider Input: Have we lost the power of rendering you happy ?


Output: Original