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 author contacted the students who recommended the professors .

Output: The students contacted the author .


Input: Consider Input: The doctor in front of the athlete thanked the tourists .

Output: The tourists thanked the doctor .


Input: Consider Input: The presidents admired the senator .


Output: The senator admired the presidents .