TASK DEFINITION: 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.
PROBLEM: said Neville , putting a protective hand over his leisure .

SOLUTION: Changed

PROBLEM: Once more the cockroach climbed his stand .

SOLUTION: Changed

PROBLEM: I 'm at once ringed and curious .

SOLUTION:
Changed