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 presidents mentioned the tourists by the banker .
answer:
The tourists mentioned the presidents .


question:
The secretaries in front of the tourists saw the judge .
answer:
The judge saw the tourists .


question:
The tourist that the presidents helped contacted the manager .
answer:

The manager contacted the presidents .