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: From a crack of light around a far door he heard shouts , stamping feet and bags or faces getting pummelled .

SOLUTION: Original

PROBLEM: " Of course she knew all about pottery . "

SOLUTION: Original

PROBLEM: He stilled , his muscles cramping from strain .

SOLUTION:
Changed