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 secretary called the authors that the banker contacted .
The banker called the secretary .

The tourists avoided the athlete near the doctor .
The athlete avoided the doctor .

The scientists that saw the student encouraged the bankers .

The bankers encouraged the scientists .