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 thanked the professor in front of the authors .
Example Output: The authors thanked the judges .

Example Input: The judges encouraged the lawyers that the professor contacted .
Example Output:
The professor encouraged the judges .