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: What did they mean by repercussions from the head injury ?

Output: Original


Input: Consider Input: I selected some weights .

Output: Changed


Input: Consider Input: Alex sighed and came closer , apparently unaware of his nakedness and the effect it was having on her .


Output: Original