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:
Shift schedules , fund allocations , project juggling , out and out looting of other projects ... he 'd never pulled so many stunts in his life .

Ex Output:
Original


Ex Input:
As the requirements would start to write their subject title , we could imagine ourselves dizzy with five sleeping pills .

Ex Output:
Changed


Ex Input:
We do not know why the Silex was created , but I can tell you its greatest resource is life documentary .

Ex Output:

Changed