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 authors near the secretaries contacted the athletes .
The athletes contacted the authors .

The athletes in front of the tourists believed the scientists .
The tourists believed the athletes .

The scientists advised the authors .

The authors advised the scientists .