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 president thanked the lawyer .
answer:
The lawyer thanked the president .


question:
The author recommended the lawyer who the athletes helped .
answer:
The lawyer recommended the author .


question:
The authors who saw the actors thanked the bankers .
answer:

The bankers thanked the actors .