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: Who set up the bombing ?

Output: Original


Input: Consider Input: Because of this , they 're usually ranked three stars and above , " Saga explained .

Output: Original


Input: Consider Input: One thing that I had noticed since my arrival was the cleanliness of the place .


Output: Original