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: Avery slowly began to move for the door allowing the echoing of the hall to rev and disguise his exact location , or so he hoped .

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

A: Changed
****
Q: Elijah fell flat on the floor and lost it , trying to take this troupe of information all in .

A:
Changed
****