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:
Now , more then ever , she was determined not to shirk her class work .

Ex Output:
Original


Ex Input:
The bartender glanced over at us , then went back to toweling his wine merchants .

Ex Output:
Changed


Ex Input:
I had to know everything and cattle ranching seemed something I was a berserker bit eager to get into .

Ex Output:

Changed