The Divergent Series written by Veronica Roth has very similar to the set up of Hunger Games. In the story we are quickly brought up to speed about a post-war, dystopian society that has learnt to survive by being divided into 5 factions. Each of the factions has a particular role in society that is essential to keeping the balance and harmony of this gated civilisation. A person's faction is first determined by the family they are born into, but when one comes of age, a are test is given to every individual - via a Matrix style construct simulation programme, that then determines which faction a person is actually most suited to.
"They are considered dangerous because they are 'free thinkers' and they are known as Divergents."
There is also the choice, the freedom to pick which faction you think suits you best, but once a faction is chosen, that choice is final and cannot be changed later. Outside the 5 main factions there are another 2 groups, the factionless who are ultimately the homeless, exiled from a proper faction for one reason or another, and another type of person that the entire community fears. This breed of person is highly adaptable in thought and could in fact fit into all the factions, but at the same time belong to none because they are not geared for one thing. They are considered dangerous because they are 'free thinkers' and they are known as Divergents. Their fate is to be eliminated with extreme prejudice and this is where the fun begins.