With these tools in hand, we can now take on our first real classification example.
Consider the small town of Randomville, where people are crazy about their two sports teams, the Randomville Reds and the Randomville Blues. The Reds had been around for a long time, and people loved them. But then, some out-of-town millionaire came along and bought the Reds' top scorer and started a new team, the Blues. To the discontent of most Reds fans, the top scorer would go on to win the championship title with the Blues. Years later, he would return to the Reds, despite some backlash from fans who could never forgive him for his earlier career choices. But anyway, you can see why fans of the Reds don't necessarily get along with fans of the Blues. In fact, these two fan bases are so divided that they never even live next to each...
