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 doctor mentioned the judges .
The judges mentioned the doctor .

The judge saw the author that helped the actor .
The author saw the the actor .

The secretaries that the presidents avoided admired the athletes .

The presidents admired the secretaries .