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 lawyers that the managers saw believed the judges .
Example Output: The judges believed the lawyers .

Example Input: The doctor introduced the scientist who believed the athlete .
Example Output: The athlete introduced the doctor .

Example Input: The athletes called the senators next to the authors .
Example Output:
The authors called the athletes .