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 tourist who advised the doctors avoided the presidents .

SOLUTION: The doctors avoided the tourist .

PROBLEM: The students recommended the president who the tourist mentioned .

SOLUTION: The president recommended the tourist .

PROBLEM: The managers that introduced the lawyers believed the doctor .

SOLUTION:
The doctor believed the managers .