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 actors saw the professor near the tourists .

SOLUTION: The tourists saw the actors .

PROBLEM: The doctors who the actor encouraged contacted the scientist .

SOLUTION: The scientist contacted the doctors .

PROBLEM: The athlete near the scientist called the managers .

SOLUTION:
The managers called the scientist .