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.

Reluctantly I unwrapped mine and stared at the first cheeseburger I 'd been allowed in months .
Original

The invitation into the computer room was the straw that broke the camel 's back .
Original

Lee provided a steady and unwavering beat as Moses serenaded the now entranced crowd .

Original