Teacher: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.
Teacher: Now, understand the problem? Solve this instance: They had pushed the bosses back now , and each man * was wearing a peaked cap with a bird skeleton wired to it .
Student:
Changed