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.

Input: Consider Input: The professor behind the scientists helped the lawyer .

Output: The scientists helped the professor .


Input: Consider Input: The secretaries near the athletes contacted the author .

Output: The author contacted the secretaries .


Input: Consider Input: The students that the bankers believed avoided the senators .


Output: The senators avoided the bankers .