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 doctors encouraged the senator near the managers .
The senator encouraged the managers .

The professor stopped the scientists .
The scientists stopped the professor .

The authors next to the senator helped the banker .

The banker helped the authors .