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 who the artist introduced helped the student .

Output: The artist helped the senator .


Input: Consider Input: The banker believed the judges behind the students .

Output: The judges believed the banker .


Input: Consider Input: The secretaries that the scientists believed recognized the artist .


Output: The scientists recognized the secretaries .