listen to the same music. GREEN & ORANGE were living together years ago and still like seeing each other from time to time. ORANGE & YELLOW were not friends for a long time, but eventually got to know each other. WHITE & RED have a very mysterious relationship that nobody have really understood yet. ANGE & WHITE YELLOW & RED met during a long bus trip where they talked non-stop for twenty hours. BLUE & RED have been seen every Wednesday going to the swimming pool together. BLUE & WHITE are spending all their week-ends in the same place but didn’t meet yet.