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:
She hadn 't had time to marvel over it then , but she couldn 't help but do so now .

Ex Output:
Original


Ex Input:
Mikael put his hands out and protested loudly , " What , so you 're saying we give up on the chance to knock other contestants out ?

Ex Output:

Original