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 lawyers helped the author next to the scientists .

Output: The author helped the scientists .


Input: Consider Input: The tourists helped the secretaries behind the doctor .

Output: The doctor helped the tourists .


Input: Consider Input: The doctors by the presidents advised the tourists .


Output: The tourists advised the doctors .