instruction:
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.
question:
Though my hands were trembling , I lifted my gaze and met his without flinching .
answer:
Original


question:
It was titled : Riddle of the Pink Pyjamas The writing was hard to make out .
answer:
Original


question:
Over its long history , they determined that they shared history with the Strangers , and many theories had been perfected what that history might be .
answer:

Changed