TASK DEFINITION: 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.
PROBLEM: The presidents who the artist admired mentioned the secretaries .

SOLUTION: The secretaries mentioned the artist .

PROBLEM: The tourists avoided the athlete near the doctor .

SOLUTION: The athlete avoided the doctor .

PROBLEM: The professor advised the author that the doctors stopped .

SOLUTION:
The author advised the doctors .