premise: How to write a dystopian novel<br>Think about a current technology that interests you. Dystopian novels often focus on current or future technology, and the impact it has on society. Maybe you are interested in self driving cars and what that will mean for people in the future.
hypothesis: Dystopian novels have to be about current technology.
reason: The passage says it can be about current or FUTURE technology. It doesn't HAVE to be about current technology because it could be   about future technology instead. 