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 scientist encouraged the secretaries in front of the lawyers .
Example Output: The secretaries encouraged the scientist .

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

Example Input: The scientist contacted the doctor .
Example Output:
The doctor contacted the scientist .