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 senators thanked the lawyer .
The lawyer thanked the senators .

The senators contacted the scientist .
The scientist contacted the senators .

The actors avoided the judges .

The judges avoided the actors .