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.

Ex Input:
The professor who the scientist mentioned avoided the banker .

Ex Output:
The banker avoided the scientist .


Ex Input:
The athlete saw the secretary next to the student .

Ex Output:
The secretary saw the athlete .


Ex Input:
The author stopped the scientists who the judge introduced .

Ex Output:

The scientists stopped the author .