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 presidents who recognized the author helped the students .
Example Output: The students helped the author .

Example Input: The tourist thanked the artists in front of the managers .
Example Output: The artists thanked the managers .

Example Input: The professors avoided the student .
Example Output:
The student avoided the professors .