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 scientists recommended the bankers .

SOLUTION: The scientists recommended the tourist .

PROBLEM: The artists avoided the scientists who recommended the professor .

SOLUTION: The scientists avoided the the professor .

PROBLEM: The senator believed the doctor in front of the banker .

SOLUTION:
The doctor believed the banker .