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 athlete thanked the bankers by the senator .
Example Output: The senator thanked the athlete .

Example Input: The authors behind the doctors advised the banker .
Example Output: The banker advised the doctors .

Example Input: The senator who the doctor avoided mentioned the artists .
Example Output:
The artists mentioned the senator .