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 in front of the lawyers stopped the professors .

Ex Output:
The professors stopped the judge .


Ex Input:
The athlete behind the bankers saw the actors .

Ex Output:
The bankers saw the athlete .


Ex Input:
The professor encouraged the tourists by the doctors .

Ex Output:

The tourists encouraged the doctors .