Based on the description given determine the participation and disjoint constraints of a superclass/subclass relationship in the figure below. Parents are required to register their children either to join kindergarten only or kindergarten and childcare, Parent register Children 1.1 1.. Kindergarten Childcare O A. {Mandatory, AND) B. (optional, AND) c. (Mandatory, OR) OD (Optional, OR) In an Entity-Relationship (ER) model, suppose R is a many-to-one relationship from entity set El to entity set E2 Assume that El and E2 participate totally in Rand that the cardinality of El is greater than the cardinality of E2 Which one of the following is TRUE about R? O A. Every entity in E2 is associated with at most one entity in El O B. Every entity in E2 is associated with exactly one entity in El C. Some entity in El is associated with more than one entity in E2. D. Every entity in El is associated with exactly one entity in E2. Consider that