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 author contacted the actors who believed the lawyers .
Example Output: The lawyers contacted the author .

Example Input: The actors that the tourist introduced recognized the banker .
Example Output: The banker recognized the actors .

Example Input: The senator next to the actors saw the doctor .
Example Output:
The doctor saw the actors .