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 artists called the tourists near the doctor .
The tourists called the artists .

The senators in front of the scientist believed the manager .
The manager believed the scientist .

The bankers that the judge helped recognized the secretaries .

The judge recognized the bankers .