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 doctors called the author .

Ex Output:
The author called the doctors .


Ex Input:
The managers contacted the presidents who encouraged the students .

Ex Output:
The presidents contacted the the students .


Ex Input:
The managers supported the scientist .

Ex Output:

The scientist supported the managers .