answer:Thing X is ontologically prior to Thing Y if and only if Thing X does not depend on Thing Y in order to be, but Thing Y does depend on Thing X in order to be. Thing X does not depend on Y, but Y depends on X. You do not have to have healthy, well-adjusted children in order to be a healthy, well-adjusted adult, but in order to be a healthy, well-adjusted child are generally raised by healthy, well-adjusted adults.