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: They were hard to read compared with digital notebooks .

Output: Changed


Input: Consider Input: He looked down at his hands , swollen like balloons .

Output: Original


Input: Consider Input: Four men were standing with their caps removed , guarded by the soldiers .


Output: Original