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 manager saw the scientists .
Example Output: The scientists saw the manager .

Example Input: The professors thanked the judges .
Example Output: The judges thanked the professors .

Example Input: The athletes contacted the scientists by the author .
Example Output:
The author contacted the athletes .