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 senator behind the judges thanked the secretary .

Output: The secretary thanked the judges .


Input: Consider Input: The author saw the artist .

Output: The artist saw the author .


Input: Consider Input: The senators stopped the doctor .


Output: The doctor stopped the senators .