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 actor who supported the manager contacted the presidents .

SOLUTION: The presidents contacted the actor .

PROBLEM: The banker advised the athletes who called the authors .

SOLUTION: The athletes advised the banker .

PROBLEM: The scientist helped the students that advised the doctor .

SOLUTION:
The students helped the scientist .