instruction:
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.
question:
The lawyer helped the judges .
answer:
The judges helped the lawyer .


question:
The senators in front of the scientist believed the manager .
answer:
The manager believed the scientist .


question:
The secretary thanked the professor .
answer:

The professor thanked the secretary .