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.

His lips were still moist , conveying a message of seduction even when they were silent .
Original

What did they mean by repercussions from the head injury ?
Original

Three hundred potential buyers had been summoned for duty in Allentown .

Changed