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 secretaries that recommended the judges encouraged the professor .

Ex Output:
The judges encouraged the secretaries .


Ex Input:
The secretary thanked the senators by the athlete .

Ex Output:
The athlete thanked the secretary .


Ex Input:
The scientists contacted the professor behind the artists .

Ex Output:

The artists contacted the scientists .