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 tourists thanked the lawyer who the author saw .
answer:
The lawyer thanked the author .


question:
The student that helped the bankers mentioned the tourist .
answer:
The bankers mentioned the student .


question:
The manager stopped the lawyers by the professor .
answer:

The lawyers stopped the professor .