master = []
master << { id: 1, group: "Brown", name: "Fred" }
master << { id: 2, group: "Brown", name: "May" }
master << { id: 3, group: "Brown", name: "Brian" }
master << { id: 4, group: "Black", name: "Sue" }
master << { id: 5, group: "Orange", name: "Helen" }
master << { id: 6, group: "Orange", name: "Peter" }
master << { id: 7, group: "Red", name: "Grace" }
master << { id: 8, group: "Red", name: "Michael" }
master << { id: 9, group: "Red", name: "Paul" }