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 tourists saw the authors .
Example Output: The authors saw the tourists .

Example Input: The artist that the banker mentioned thanked the actor .
Example Output: The banker thanked the artist .

Example Input: The scientist saw the senator .
Example Output:
The senator saw the scientist .