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 judge contacted the banker in front of the author .

SOLUTION: The banker contacted the author .

PROBLEM: The senator behind the students stopped the judge .

SOLUTION: The judge stopped the senator .

PROBLEM: The tourists recognized the lawyers next to the doctors .

SOLUTION:
The lawyers recognized the tourists .