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 senators thanked the lawyer .

SOLUTION: The lawyer thanked the senators .

PROBLEM: The senator by the artists helped the managers .

SOLUTION: The managers helped the senator .

PROBLEM: The tourists that the author advised believed the president .

SOLUTION:
The president believed the author .