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.

The tourist that the professors stopped mentioned the judges .
The professors mentioned the tourist .

The presidents introduced the artists who encouraged the actor .
The artists introduced the the actor .

The scientists advised the doctor by the secretary .

The doctor advised the scientists .