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 scientist that the tourists mentioned supported the secretary .
The secretary supported the scientist .

The artist that the banker mentioned thanked the actor .
The banker thanked the artist .

The doctor stopped the tourist .

The tourist stopped the doctor .