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 managers contacted the secretary who the doctors advised .

Answer: The doctors contacted the managers .


Question: The presidents stopped the artist who the bankers contacted .

Answer: The artist stopped the bankers .


Question: The senator helped the managers .

Answer:
The managers helped the senator .