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 banker mentioned the senator behind the manager .
Example Output: The senator mentioned the manager .

Example Input: The secretaries that the judges believed encouraged the doctor .
Example Output: The doctor encouraged the secretaries .

Example Input: The scientists contacted the athlete who the lawyer encouraged .
Example Output:
The athlete contacted the lawyer .