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.

Ex Input:
After he 'd heard her weeping and later discovering the shredded lettuce , he had thought she already had , albeit briefly .

Ex Output:
Changed


Ex Input:
They were deep brown with hazel thicket and they were staring straight into his .

Ex Output:
Changed


Ex Input:
" Your father 's cognition is rapidly changing and evolving .

Ex Output:

Changed