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 scientist in front of the professor thanked the bankers .
answer:
The professor thanked the scientist .


question:
The lawyers mentioned the students that the judge introduced .
answer:
The students mentioned the judge .


question:
The author avoided the senator by the scientists .
answer:

The senator avoided the scientists .