Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you control 3 or more DARK monsters: Target 1 face-up card on the field; banish that target.
--ダーク・ジェノサイド・カッター
--Dark Mambele
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_REMOVE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_DARK)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,3,nil)
end
function s.filter(c)
	return c:IsFaceup() and c:IsAbleToRemove()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and s.filter(chkc) and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,g,1,0,0)
end
function s.activate(e)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) then
		Duel.Remove(tc,POS_FACEUP,REASON_EFFECT)
	end
end