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 recommended the judges who saw the banker .
answer:
The judges recommended the the banker .


question:
The student recommended the doctor .
answer:
The doctor recommended the student .


question:
The students recommended the president who the tourist mentioned .
answer:

The president recommended the tourist .