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 doctor mentioned the tourist .
Example Output: The tourist mentioned the doctor .

Example Input: The tourist contacted the lawyer .
Example Output: The lawyer contacted the tourist .

Example Input: The tourists mentioned the senators that advised the actor .
Example Output:
The senators mentioned the the actor .