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 judge who recognized the artist recommended the secretary .
The secretary recommended the judge .

The secretaries mentioned the athlete who stopped the scientists .
The scientists mentioned the secretaries .

The president advised the doctors next to the manager .

The manager advised the president .