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.

Ex Input:
Though my hands were trembling , I lifted my gaze and met his without flinching .

Ex Output:
Original


Ex Input:
" I 'll send you buggers . "

Ex Output:
Changed


Ex Input:
They burned and he saw through them into the ugliness of his own actions , the suffering they had created , the suffering they had maintained .

Ex Output:

Original