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]: " What crazies ? "
[A]: Changed


[Q]: The other students were determined to master the representative and then never use it again .
[A]: Changed


[Q]: He raised his free hand and said , " Good-bye to freedom , " but his voice broke before he could conclude his lines .
[A]:
Original