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:
" They 've registered the hull breach and they send breezes to investigate .

Ex Output:
Changed


Ex Input:
The steamer trunks weren 't there when they left , though he conceded they might have been hidden behind the plywood sheets .

Ex Output:
Original


Ex Input:
You inherited your father 's stocks , his entire estate , so you actually own more shares of stock than any other family member .

Ex Output:

Original