Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When your opponent Summons a monster(s) with 1500 or less ATK: Banish that monster(s) with 1500 or less ATK, face-down.
--断絶の落とし穴
--Banishing Trap Hole
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_REMOVE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e2)
	local e3=e1:Clone()
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e3)
end
function s.remfilter(c,tp)
	return c:IsLocation(LOCATION_MZONE) and c:IsFaceup() and c:IsAttackBelow(1500) and c:IsSummonPlayer(1-tp)
		and c:IsAbleToRemove(tp,POS_FACEDOWN)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=eg:Filter(s.remfilter,nil,tp)
	if chk==0 then return #g>0 end
	Duel.SetTargetCard(g)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,g,#g,tp,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local g=eg:Filter(s.remfilter,nil,tp):Match(Card.IsRelateToEffect,nil,e)
	if #g>0 then
		Duel.Remove(g,POS_FACEDOWN,REASON_EFFECT)
	end
end