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]: An advance on his grenades was what he wanted so he had said .
[EX A]: Changed

[EX Q]: On each side of the head , near the ears , grew an antenna through which it tagged with others .
[EX A]: Changed

[EX Q]: It was far enough away that the gauntlet could pretend she did not exist , yet near enough to seek her out when they needed help .
[EX A]:
Changed