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 selected some weights .

Output: Changed


Input: Consider Input: It was on a swivel base , operated by a crank at the left-hand side .

Output: Original


Input: Consider Input: If he was lucky , I backtracked , the restaurateur had another few weeks at most .


Output: Changed