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 author helped the professor .
answer:
The professor helped the author .


question:
The senators recognized the artists that the doctors stopped .
answer:
The artists recognized the doctors .


question:
The manager called the authors near the actor .
answer:

The authors called the manager .