Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn, during the End Phase: You can target 1 Set Spell/Trap Card your opponent controls; reveal it, then return it to its original position.
--検疫
--Quarantine
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--confirm
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetTarget(s.cftg)
	e2:SetOperation(s.cfop)
	c:RegisterEffect(e2)
end
function s.cftg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(1-tp) and chkc:IsLocation(LOCATION_SZONE) and chkc:IsFacedown() end
	if chk==0 then return Duel.IsExistingTarget(Card.IsFacedown,tp,0,LOCATION_SZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEDOWN)
	Duel.SelectTarget(tp,Card.IsFacedown,tp,0,LOCATION_SZONE,1,1,nil)
end
function s.cfop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) and tc:IsFacedown() then
		Duel.ConfirmCards(tp,tc)
	end
end