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 athletes recommended the doctor next to the tourist .
The doctor recommended the tourist .

The lawyers that helped the managers called the president .
The managers called the lawyers .

The artists mentioned the scientists .

The scientists mentioned the artists .