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]: Not that she minded ; Alexia had always preferred necklaces herself .
[EX A]: Changed

[EX Q]: Seconds later it exploded , sending out a spray of small metal rods .
[EX A]: Original

[EX Q]: I was so exhausted , I wanted to fall over , but I held myself straight , even when my inaction let go and pushed me forward .
[EX A]:
Changed