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 professor who supported the judge thanked the lawyer .
The lawyer thanked the professor .

The actor contacted the athlete who called the tourists .
The athlete contacted the the tourists .

The lawyer called the doctor near the students .

The doctor called the lawyer .