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 secretary called the authors that the banker contacted .

Ex Output:
The banker called the secretary .


Ex Input:
The lawyer that believed the presidents thanked the actors .

Ex Output:
The actors thanked the lawyer .


Ex Input:
The senators that the professors contacted encouraged the students .

Ex Output:

The students encouraged the professors .