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 bankers recommended the lawyer .
The lawyer recommended the bankers .

The presidents recognized the professors .
The professors recognized the presidents .

The managers advised the professor who the actors helped .

The professor advised the managers .