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 lawyers admired the doctor that the manager encouraged .
The doctor admired the lawyers .

The author stopped the actor .
The actor stopped the author .

The professor helped the secretary in front of the actor .

The secretary helped the professor .