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:
It 's a chance to meet , mingle , get to know other people .

Ex Output:
Original


Ex Input:
In the year 2075 , there is a colony of thirty thousand humans on the moon , and the moon still orbits the earth .

Ex Output:

Original