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 tourists next to the manager thanked the senator .
Example Output: The senator thanked the tourists .

Example Input: The artist that the actor stopped avoided the professors .
Example Output: The professors avoided the actor .

Example Input: The secretary introduced the senator .
Example Output:
The senator introduced the secretary .