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 scientists supported the senator that the banker believed .

SOLUTION: The senator supported the scientists .

PROBLEM: The tourists saw the senator behind the secretary .

SOLUTION: The secretary saw the tourists .

PROBLEM: The secretaries contacted the doctor who the athletes advised .

SOLUTION:
The doctor contacted the secretaries .