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 the requirements would start to write their subject title , we could imagine ourselves dizzy with five sleeping pills .

SOLUTION: Changed

PROBLEM: Thinking of my parents assisted me .

SOLUTION: Changed

PROBLEM: How could his father fail to see the kitchens ?

SOLUTION:
Changed