Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Select 2 of your removed from play monsters (1 Psychic-Type Tuner and 1 Psychic-Type non-Tuner), return them to the Graveyard, and Special Summon 1 Psychic-Type Synchro Monster from your Extra Deck in face-up Defense Position, whose Level equals the total Levels of the returned monsters.
--サイコ・フィール・ゾーン
--Psychic Feel Zone
local s,id=GetID()
function s.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOGRAVE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.filter1(c,e,tp)
	return c:IsFaceup() and c:IsRace(RACE_PSYCHIC) and c:IsType(TYPE_TUNER)
		and Duel.IsExistingTarget(s.filter2,tp,LOCATION_REMOVED,0,1,nil,e,tp,c:GetLevel())
end
function s.filter2(c,e,tp,lv)
	local clv=c:GetLevel()
	return clv>0 and c:IsFaceup() and c:IsRace(RACE_PSYCHIC) and not c:IsType(TYPE_TUNER)
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_EXTRA,0,1,nil,e,tp,lv+clv)
end
function s.spfilter(c,e,tp,lv)
	return c:IsRace(RACE_PSYCHIC) and c:IsType(TYPE_SYNCHRO) and c:GetLevel()==lv and Duel.GetLocationCountFromEx(tp,tp,nil,c)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chk==0 then return Duel.IsExistingTarget(s.filter1,tp,LOCATION_REMOVED,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g1=Duel.SelectTarget(tp,s.filter1,tp,LOCATION_REMOVED,0,1,1,nil,e,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g2=Duel.SelectTarget(tp,s.filter2,tp,LOCATION_REMOVED,0,1,1,nil,e,tp,g1:GetFirst():GetLevel())
	g1:Merge(g2)
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,g1,2,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local tc1=g:GetFirst()
	local tc2=g:GetNext()
	if not tc1:IsRelateToEffect(e) or not tc2:IsRelateToEffect(e) then return end
	local sg=Duel.GetMatchingGroup(s.spfilter,tp,LOCATION_EXTRA,0,nil,e,tp,tc1:GetLevel()+tc2:GetLevel())
	if #sg==0 then return end
	Duel.SendtoGrave(g,REASON_EFFECT|REASON_RETURN)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local ssg=sg:Select(tp,1,1,nil)
	Duel.SpecialSummon(ssg,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
end