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.

[Q]: I replied with a smiling face , it was a common thing among us ; replying a question with another .
[A]: Original


[Q]: I also learned that any rugs or Assassins that weren 't out on assignment were there to watch the crowd .
[A]: Changed


[Q]: She knew where her award for drama had come from .
[A]:
Changed