scenario {
	role "Role 1"
	role "Role 2"
	"Role 1" ->+ "Role 2" : "create_role"
	"Role 1" -> "Role 2" withReturn : "i"
	loop over "Role 1" "Role 2" {
		"Role 1" -> "Role 2" : "i"
	} {
		"Role 1" -> "Role 2" : "i"
	}
}