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 Q]: They 'd had no word of Marianne since their abduction ... the lack of knowledge gnawed at her driving her crazy with worry . .
[EX A]: Original

[EX Q]: And then they headed out the door , taking a preference to the locker rooms .
[EX A]: Changed

[EX Q]: The first sergeant glared when there were snickers from the ranks , but finished his rocker as required .
[EX A]:
Changed