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 scientist admired the lawyer .
The lawyer admired the scientist .

The author supported the doctors near the artist .
The doctors supported the author .

The student helped the professor by the senator .

The professor helped the senator .