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: " Con , " Hale filled in .

SOLUTION: Original

PROBLEM: You 've certainly learnt a lesson , the submarine will be very interested in you . "

SOLUTION: Changed

PROBLEM: " Looks like you now have a full-blown siege on your hands . "

SOLUTION:
Original