include "primitives.alh"

SimpleAttribute Boolean {
    name = "Boolean"
}
SimpleAttribute Natural{
    name = "Natural"
}
SimpleAttribute String{
    name = "String"
}

Class Group {
    name = "Group"
}
Class Event {
    name = "Event"
    initial : Boolean
    name : String
}

Association Contains (Group, Event) {
    name = "Contains"
}