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 by the student supported the secretary .

Output: The student supported the doctors .


Input: Consider Input: The president who the doctor recommended introduced the tourist .

Output: The doctor introduced the president .


Input: Consider Input: The president in front of the scientists supported the secretaries .


Output: The scientists supported the president .