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 managers by the lawyers contacted the scientists .

Output: The scientists contacted the lawyers .


Input: Consider Input: The doctors next to the secretary avoided the presidents .

Output: The presidents avoided the doctors .


Input: Consider Input: The scientist introduced the judge behind the tourist .


Output: The judge introduced the tourist .