1 00:00:00,130 --> 00:00:02,130 So, I'm going to start by marking the 2 00:00:02,130 --> 00:00:04,920 relationships that actually hold in the system. 3 00:00:04,920 --> 00:00:08,860 Which are these ones. And then what I'm going to do, I'm going to explain this 4 00:00:08,860 --> 00:00:12,480 answers. Not here but in the next part of this lesson. By looking at the 5 00:00:12,480 --> 00:00:14,860 different relationships in the context of our 6 00:00:14,860 --> 00:00:17,240 example. Which will make the explanation much clearer.