Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card is sent to the Graveyard by a card effect: You can target 1 Normal Monster in your Graveyard; add that target to your hand.
--ジェムナイト・ラズリー
--Gem-Knight Lazuli
local s,id=GetID()
function s.initial_effect(c)
	--Add 1 Normal Monster from your GY to your hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(function(e) return e:GetHandler():IsReason(REASON_EFFECT) end)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
end
function s.thfilter(c)
	return c:IsType(TYPE_NORMAL) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.thfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.thfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.thfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,tp,0)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end