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 senators recognized the artists that the doctors stopped .
answer:
The artists recognized the doctors .


question:
The judges who helped the authors supported the professors .
answer:
The professors supported the judges .


question:
The senators that the scientist admired introduced the tourists .
answer:

The tourists introduced the scientist .