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.

Input: Consider Input: The doctor who helped the tourists advised the professor .

Output: The professor advised the tourists .


Input: Consider Input: The bankers avoided the author .

Output: The author avoided the bankers .


Input: Consider Input: The bankers encouraged the authors that the judges saw .


Output: The authors encouraged the bankers .