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: It would just be a bonfire , lit in the garden of one of mum 's neighbours and now just a little bit out of control .

Output: Original


Input: Consider Input: ' I 'm saying nothing that will grieve me . '

Output: Changed


Input: Consider Input: Valerie observes with alarm .


Output: Original