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.

[Q]: " The heads of the Arab states and the Majlis have authorized me to make you an offer . "
[A]: Original


[Q]: I don 't like deceiving her but it 's safer that way . '
[A]: Original


[Q]: All three of them were older men , with dark hair now greying and muscle turning to fat from lack of exercise .
[A]:
Original