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 student saw the doctor .

Output: The doctor saw the student .


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

Output: The author contacted the secretaries .


Input: Consider Input: The actors recognized the professors by the artists .


Output: The professors recognized the actors .