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 doctor admired the judge who the athlete helped .

SOLUTION: The judge admired the doctor .

PROBLEM: The banker stopped the athletes that the actor called .

SOLUTION: The athletes stopped the banker .

PROBLEM: The banker contacted the actors who the judges stopped .

SOLUTION:
The actors contacted the banker .