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 contacted the lawyer .
answer:
The lawyer contacted the tourist .


question:
The artists thanked the athlete that the tourists recommended .
answer:
The tourists thanked the artists .


question:
The senator recommended the lawyer who the doctor helped .
answer:

The lawyer recommended the senator .