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 senators who the authors recommended mentioned the banker .
answer:
The authors mentioned the senators .


question:
The scientist saw the authors next to the manager .
answer:
The manager saw the scientist .


question:
The professors introduced the artists .
answer:

The artists introduced the professors .