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]: I jumped in Colt 's truck and grabbed the keys from the RV .
[EX A]: Changed

[EX Q]: Production lines slowed , then came to a standstill , because the workers were no longer showing up .
[EX A]: Original

[EX Q]: " We 're still waiting for an NRO satellite to search the optimist for the raiders ' ship . "
[EX A]:
Changed