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 recognized the secretaries who introduced the actor .
Example Output: The actor recognized the lawyers .

Example Input: The tourists in front of the athlete introduced the secretary .
Example Output: The secretary introduced the athlete .

Example Input: The president avoided the tourists near the secretary .
Example Output:
The secretary avoided the president .