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: As they expand they can add more stoves . "

SOLUTION: Original

PROBLEM: Where there is good , there must be evil and every light shines brighter when surrounded by darkness .

SOLUTION: Original

PROBLEM: Even though the thing knew she was inside , she had the sudden , irrational sense that she could escape detection .

SOLUTION:
Original