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 student in front of the secretaries avoided the doctors .

Ex Output:
The doctors avoided the student .


Ex Input:
The senator behind the judges thanked the secretary .

Ex Output:
The secretary thanked the judges .


Ex Input:
The lawyer that called the student introduced the manager .

Ex Output:

The manager introduced the student .