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 secretary helped the judge that the scientists believed .
answer:
The judge helped the scientists .


question:
The president called the secretary that helped the scientist .
answer:
The scientist called the president .


question:
The tourists recommended the managers .
answer:

The managers recommended the tourists .