Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When exactly 1 face-up "Ghostrick" monster you control (and no other cards) is destroyed by battle or an opponent's card effect and sent to your GY: Target 2 "Ghostrick" monsters in your GY with different names from the destroyed monster; Special Summon them in face-down Defense Position.
--ゴーストリック・ブレイク
--Ghostrick Break
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_GHOSTRICK}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local tc=eg:GetFirst()
	if rp~=tp and #eg==1 and tc:IsReason(REASON_DESTROY) and tc:IsReason(REASON_BATTLE|REASON_EFFECT)
		and tc:IsPreviousLocation(LOCATION_MZONE) and tc:IsPreviousControler(tp) and tc:IsSetCard(SET_GHOSTRICK) and tc:IsPreviousPosition(POS_FACEUP) then
		e:SetLabel(tc:GetCode())
		return true
	else return false end
end
function s.filter(c,e,tp,code)
	return c:IsSetCard(SET_GHOSTRICK) and c:GetCode()~=code and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEDOWN_DEFENSE)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and s.filter(chkc,e,tp,e:GetLabel()) end
	if chk==0 then return not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>1
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,2,nil,e,tp,e:GetLabel()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,2,2,nil,e,tp,e:GetLabel())
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,2,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local sg=g:Filter(Card.IsRelateToEffect,nil,e)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if #sg==0 or ft<=0 or (#sg>1 and Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)) then return end
	if ft<#sg then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		sg=sg:FilterSelect(tp,s.filter,ft,ft,nil,e,tp,e:GetLabel())
	end
	if #sg>0 then
		Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEDOWN_DEFENSE)
		Duel.ConfirmCards(1-tp,sg)
	end
end