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 senator helped the professors in front of the tourist .
answer:
The professors helped the senator .


question:
The artist called the president by the bankers .
answer:
The president called the artist .


question:
The professors supported the tourists .
answer:

The tourists supported the professors .