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:
Late at night on their second full day they sat and waited for a modification .

Ex Output:
Original


Ex Input:
Someone who stayed in cheap motels with men who slipped away the next morning ?

Ex Output:
Original


Ex Input:
he asked , composing himself .

Ex Output:

Original