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: " I know most authors hate doing signings , but I can promise you a success !

Output: Original


Input: Consider Input: ' Hold quite still or I 'll gnaw you ! '

Output: Original


Input: Consider Input: She drew a breath , steeling herself and surprised us both by sinking onto the bed beside me .


Output: Original