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.

Ex Input:
Rosencrantz and Guildenstern have their own fates but I must be there for the last act , the last scene .

Ex Output:
Original


Ex Input:
" If I tell you what 's bothering me , will you rev up ? "

Ex Output:
Changed


Ex Input:
You might think the victor was not quite up to snuff if he was playing with Ninja turtles during office hours .

Ex Output:

Changed