In this task, you are given a premise sentence. Your task is to write a new sentence by substituting the subject and object (i.e., the input's subject should be output's object and vice versa.). The generated sentence must be fluent and shouldn't change the voice (i.e., passive or active) of the input.

Example Input: The artists called the tourists near the doctor .
Example Output: The tourists called the artists .

Example Input: The judges who saw the athletes recommended the scientist .
Example Output: The scientist recommended the judges .

Example Input: The author who the doctor thanked supported the professor .
Example Output:
The professor supported the author .