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:
The goon let Hale go and raced for his boss , but he was too late .

Ex Output:
Original


Ex Input:
" I know most authors hate doing signings , but I can promise you a success !

Ex Output:
Original


Ex Input:
Glancing down , she saw a pack of polo mints nestled in the woolen glove reaching out towards her .

Ex Output:

Changed