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 scientist stopped the secretary .

SOLUTION: The secretary stopped the scientist .

PROBLEM: The artist called the actors near the doctors .

SOLUTION: The actors called the artist .

PROBLEM: The judge advised the author that the lawyer mentioned .

SOLUTION:
The author advised the judge .