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 professors avoided the athletes .
The athletes avoided the professors .

The bankers who the actor saw contacted the tourists .
The tourists contacted the actor .

The lawyers recommended the president .

The president recommended the lawyers .