sealed class Vinyl {
    object Skull : Vinyl()
    data class Angels(val numberOfAngels: Int) : Vinyl()
    data class Flowers(val numberOfFlowers: Int) : Vinyl()
    data class Guns(val label: String) : Vinyl()
    object Boots : Vinyl()
}

typealias Flag = Color

data class Wheel(
    val sizeInInches: Float,
    val tyre: Tyre
) {
    enum class Tyre {
        Ultrasoft, Supersoft, Soft, Medium, Hard, Intermediate, Wet
    }
}

data class Car(
    val vinyl: Vinyl,
    val flag: Flag?,
    val wheel: Wheel
)