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 avoided the doctors .

SOLUTION: The doctors avoided the tourist .

PROBLEM: The scientists recommended the banker .

SOLUTION: The banker recommended the scientists .

PROBLEM: The professors introduced the artist in front of the banker .

SOLUTION:
The banker introduced the professors .