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.

Example Input: The president next to the doctor thanked the scientist .
Example Output: The scientist thanked the doctor .

Example Input: The professor that the lawyers thanked introduced the presidents .
Example Output: The lawyers introduced the professor .

Example Input: The tourists supported the professors next to the judges .
Example Output:
The professors supported the tourists .