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 settlers had left York Factory several weeks ago , but the lilies among the traders did not stop .

Ex Output:
Changed


Ex Input:
He never went commando , hiking , climbing , or anything like that in the mountains .

Ex Output:
Changed


Ex Input:
A string of warmish days had melted the snow , even most of the roadside drifts , leaving the streets unseasonably welcoming to cyclists .

Ex Output:

Original