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]: The bartender glanced over at us , then went back to toweling his wine merchants .
[EX A]: Changed

[EX Q]: " Yes sir , " one of the soldiers replied , nearly a dozen in total -- each seated in front of a workstation .
[EX A]: Original

[EX Q]: Once more my mother had avenged me with seemingly no effort -- her will suffocating mine at every turn .
[EX A]:
Changed