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 banker who the actor recommended introduced the scientist .
answer:
The scientist introduced the banker .


question:
The senators recognized the judges .
answer:
The judges recognized the senators .


question:
The doctor next to the senator thanked the scientist .
answer:

The scientist thanked the senator .