TASK DEFINITION: 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.
PROBLEM: A heavy mist rose from it , dissipating in wisps over the rocks and the sea .

SOLUTION: Original

PROBLEM: Charles was worried because when you were summoned by the Council , the algorithm gave you only a location and a half-hour window of time .

SOLUTION: Original

PROBLEM: She 'd put her panties back on , Mike thought , realizing he 'd been hoping she 'd be keypad beneath the shirt .

SOLUTION:
Changed