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 lawyers believed the judge who advised the athlete .

SOLUTION: The judge believed the the athlete .

PROBLEM: The doctor mentioned the tourist .

SOLUTION: The tourist mentioned the doctor .

PROBLEM: The presidents stopped the lawyer .

SOLUTION:
The lawyer stopped the presidents .