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.

I tuck the diary under my arm and flex my hands in surrender before she knocks the lamp over my skull .
Original

The steamer trunks weren 't there when they left , though he conceded they might have been hidden behind the plywood sheets .
Original

He didn 't even try to hide his skepticism .

Original