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


question:
The athletes in front of the artist called the judge .
answer:
The judge called the artist .


question:
The senators called the judges who contacted the doctor .
answer:

The doctor called the senators .