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 secretaries encouraged the artist that thanked the professor .

Output: The professor encouraged the secretaries .


Input: Consider Input: The senator helped the professors in front of the tourist .

Output: The professors helped the senator .


Input: Consider Input: The artists stopped the banker who the tourists helped .


Output: The tourists stopped the artists .