Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can Tribute 1 "Eva Token" to Special Summon this card from your hand. While this card is in your Graveyard, each time a monster(s) your opponent controls is removed from play, Special Summon 1 "Eva Token" (Fiend-Type/DARK/Level 2/ATK 500/DEF 500).
--ゼータ・レティキュラント
--Zeta Reticulant
local s,id=GetID()
function s.initial_effect(c)
	--token
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCode(EVENT_REMOVE)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_SPSUMMON_PROC)
	e2:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.hspcon)
	e2:SetTarget(s.hsptg)
	e2:SetOperation(s.hspop)
	c:RegisterEffect(e2)
end
s.listed_names={64382840}
function s.cfilter(c,tp)
	return c:IsPreviousControler(1-tp) and c:IsPreviousLocation(LOCATION_ONFIELD)
		and c:IsMonster() and not c:IsType(TYPE_TOKEN)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,500,500,2,RACE_FIEND,ATTRIBUTE_DARK) then
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummon(token,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.hspcon(e,c)
	if c==nil then return true end
	return Duel.CheckReleaseGroup(c:GetControler(),Card.IsCode,1,false,1,true,c,c:GetControler(),nil,false,nil,id+1)
end
function s.hsptg(e,tp,eg,ep,ev,re,r,rp,c)
	local g=Duel.SelectReleaseGroup(tp,Card.IsCode,1,1,false,true,true,c,nil,nil,false,nil,id+1)
	if not g then return false end
	g:KeepAlive()
	e:SetLabelObject(g)
	return true
end
function s.hspop(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.Release(g,REASON_COST)
	g:DeleteGroup()
end