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 bankers recommended the athlete .
Example Output: The athlete recommended the bankers .

Example Input: The presidents recognized the actor by the tourists .
Example Output: The actor recognized the tourists .

Example Input: The authors contacted the athletes .
Example Output:
The athletes contacted the authors .