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: Charles was worried because when you were summoned by the Council , the algorithm gave you only a location and a half-hour window of time .

Output: Original


Input: Consider Input: But the alternative is a whole can of worms I flinch at the thought of opening .

Output: Original


Input: Consider Input: And besides that - father or not - he took care of you , nurtured and brought you up , for years .


Output: Original