The Domain we chose:$**$Airline tickets reservation management system.$**.$Part $1$:A$.$ Description of the mini$-$world $($write$-$up$).$B$.$ Enhanced entity$-$relationship $($EER$)$ diagram with specified cardinality ratio and participation constraints. Minimum of five $(5)$ strong entities.o At least one $(1)$ multivalued attribute.o At least one $(1)$ composite attribute. Minimum of one $(1)$ weak entity. Minimum of three $(3)$ relationships.o At least one $(1)$ ternary relationship. Minimum of one $(1)$ specialization.Complete part a and Draw out part b