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 banker who admired the lawyers helped the judge .
Example Output: The judge helped the banker .

Example Input: The lawyer that believed the presidents thanked the actors .
Example Output: The actors thanked the lawyer .

Example Input: The president mentioned the secretary .
Example Output:
The secretary mentioned the president .