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:
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 .

Ex Output:
Original


Ex Input:
There were several messengers in the eastern part of Tennessee , strewn across the crooked edge of the state like minefields in its history .

Ex Output:
Changed


Ex Input:
We started brainstorming and came up with a plan ; a pretty good one if I do say so myself .

Ex Output:

Original