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 author contacted the actors behind the student .
answer:
The actors contacted the student .


question:
The lawyers recognized the secretaries who introduced the actor .
answer:
The actor recognized the lawyers .


question:
The student avoided the actor by the scientist .
answer:

The actor avoided the scientist .