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 doctors stopped the athlete in front of the author .

Output: The athlete stopped the author .


Input: Consider Input: The artists admired the professor that the senator called .

Output: The professor admired the artists .


Input: Consider Input: The artist stopped the actor who supported the tourist .


Output: The actor stopped the artist .