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.
--------
Question: " Okay , maybe a thousand , " the man said quickly , backtracking .

Answer: Original


Question: Tiny crystals my body yearns for , and my thoughts and worries drift from my head as my senses instantly heighten .

Answer: Original


Question: " He 's a lucky bloke . "

Answer:
Original