[ Fix
    ( CompoundF
        ( DotListF
            ( Fix
                ( SimpleF
                    ( Symbol "가" )
                ) :|
                [ Fix
                    ( SimpleF
                        ( Symbol "나" )
                    )
                , Fix
                    ( SimpleF
                        ( Symbol "다" )
                    )
                ]
            )
            ( Fix
                ( SimpleF
                    ( Symbol "라" )
                )
            )
        )
    )
]