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

SOLUTION: Original

PROBLEM: " He 's made out of old iron and horseshoe nails . "

SOLUTION: Original

PROBLEM: All four eased toward Fitch , forming a loose semicircle .

SOLUTION:
Original