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 actors called the presidents .
answer:
The presidents called the actors .


question:
The lawyers next to the judges mentioned the bankers .
answer:
The bankers mentioned the lawyers .


question:
The senators introduced the judge that stopped the managers .
answer:

The judge introduced the the managers .