The why depends on the who

So who is taken birth in to those parents? First, we found things the why. If not the who. Then the why would be more relevant known as who, from which context, we found in the why. Because why for a giraffe will be different from a why for a caterpillar? Why is the giraffe in the forest? This is why is the caterpillar in the forest? They are different why. So the why will depend on the who? So let's first focus on the who. Who is taken birth?