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 judge saw the professor who mentioned the student .

Ex Output:
The professor saw the judge .


Ex Input:
The secretaries encouraged the artist that thanked the professor .

Ex Output:
The professor encouraged the secretaries .


Ex Input:
The scientist encouraged the doctors .

Ex Output:

The doctors encouraged the scientist .