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 presidents recognized the actor by the tourists .

SOLUTION: The actor recognized the tourists .

PROBLEM: The athlete behind the bankers saw the actors .

SOLUTION: The bankers saw the athlete .

PROBLEM: The senator near the manager saw the scientists .

SOLUTION:
The scientists saw the manager .