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 supported the student who the authors introduced .

Ex Output:
The student supported the secretaries .


Ex Input:
The tourists in front of the athlete introduced the secretary .

Ex Output:
The secretary introduced the athlete .


Ex Input:
The actor stopped the professor .

Ex Output:

The professor stopped the actor .