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 lawyers next to the actors helped the banker .
The actors helped the lawyers .

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

The tourists helped the senators .

The senators helped the tourists .