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 senator believed the artist who the banker supported .
Example Output: The artist believed the senator .

Example Input: The students that stopped the professor advised the president .
Example Output: The president advised the professor .

Example Input: The artists believed the scientist .
Example Output:
The scientist believed the artists .