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 tourist that the professors stopped mentioned the judges .
answer:
The professors mentioned the tourist .


question:
The tourists saw the authors .
answer:
The authors saw the tourists .


question:
The doctors that the tourist advised contacted the banker .
answer:

The tourist contacted the doctors .