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:
It is naïve and hopeful to think that they would all testify for peace with us .

Ex Output:
Changed


Ex Input:
It took Victoria two circular routes around it , moving closer each time , before she found a slender crack in the black earth .

Ex Output:

Original