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 athletes admired the authors .
Example Output: The authors admired the athletes .

Example Input: The secretary in front of the doctor thanked the presidents .
Example Output:
The presidents thanked the secretary .