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 who the judge introduced recommended the authors .
The authors recommended the bankers .

The doctors next to the banker advised the secretary .
The secretary advised the doctors .

The tourists behind the doctors advised the secretaries .

The secretaries advised the tourists .