Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Reveal 1 "Vendread" Ritual Monster in your hand, Special Summon any number of your banished "Vendread" monsters with different names, in face-down Defense Position, whose total Levels exactly equal the Level of the revealed Ritual Monster, Tribute all those face-down Defense Position monsters, then Ritual Summon that Ritual Monster from your hand. You must be able to Ritual Summon to activate and to resolve this effect.
--ヴェンデット・リユニオン
--Vendread Reunion
local s,id=GetID()
function s.initial_effect(c)
	--special summon
	local e1=Ritual.CreateProc({handler=c,lvtype=RITPROC_EQUAL,filter=s.cfilter,extrafil=s.extrafil,matfilter=s.filter,forcedselection=s.ritcheck,customoperation=s.customoperation})
	e1:SetTarget(s.registerloccount(e1:GetTarget()))
	e1:SetOperation(s.registerloccount(e1:GetOperation()))
	c:RegisterEffect(e1)
end
s.listed_series={SET_VENDREAD}
function s.registerloccount(func)
	return function(e,tp,...)
		local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
		if not Duel.IsPlayerCanSpecialSummonCount(tp,2) then ft=0 end
		if ft>1 and Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then ft=1 end
		e:SetLabel(ft)
		local res=func(e,tp,...)
		e:SetLabel(0)
		return res
	end
end
function s.cfilter(c,e)
	return c:IsSetCard(SET_VENDREAD) and not c:IsPublic()
end
function s.filter(c,e,tp)
	return c:IsFaceup() and c:IsSetCard(SET_VENDREAD) and Duel.IsPlayerCanRelease(tp,c) and c:IsLocation(LOCATION_REMOVED)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEDOWN_DEFENSE)
end
function s.extrafil(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetMatchingGroup(s.filter,tp,LOCATION_REMOVED,0,nil,e,tp)
end
function s.ritcheck(e,tp,g,sc)
	local count=#g
	return g:GetClassCount(Card.GetCode)==count and count <=e:GetLabel()
end
function s.customoperation(mg,e,tp,eg,ep,ev,re,r,rp,tc)
	Duel.ConfirmCards(1-tp,tc)
	if #mg==0 then return end
	if Duel.SpecialSummon(mg,0,tp,tp,false,false,POS_FACEDOWN_DEFENSE)==#mg then
		local og=Duel.GetOperatedGroup()
		Duel.ConfirmCards(1-tp,og)
		tc:SetMaterial(og)
		Duel.Release(og,REASON_EFFECT+REASON_RITUAL+REASON_MATERIAL)
		Duel.BreakEffect()
		Duel.SpecialSummon(tc,SUMMON_TYPE_RITUAL,tp,tp,false,true,POS_FACEUP)
		tc:CompleteProcedure()
	end
end