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 who introduced the lawyer supported the scientist .
The lawyer supported the athletes .

The secretary behind the actor believed the tourist .
The tourist believed the actor .

The scientist saw the tourists behind the athletes .

The tourists saw the scientist .