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 that the authors recognized stopped the lawyer .

SOLUTION: The authors stopped the tourist .

PROBLEM: The author saw the bankers near the lawyer .

SOLUTION: The lawyer saw the author .

PROBLEM: The secretaries thanked the senator that introduced the professors .

SOLUTION:
The professors thanked the secretaries .