Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Tribute 1 Plant-Type monster. Special Summon 2 "Plant Tokens" (Plant-Type/EARTH/Level 1/ATK 800/DEF 500) to your opponent's side of the field in Defense Position.
--竹頭木屑
--Bamboo Scrap
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_names={28062326}
function s.cfilter(c,ft,tp)
	return c:IsRace(RACE_PLANT) and (ft>1 or (c:GetSequence()<5 and c:IsControler(1-tp))) and (c:IsFaceup() or c:IsControler(tp))
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(1)
	local ft=Duel.GetLocationCount(1-tp,LOCATION_MZONE)
	if chk==0 then return Duel.CheckReleaseGroupCost(tp,s.cfilter,1,false,nil,nil,ft,tp) end
	local g=Duel.SelectReleaseGroupCost(tp,s.cfilter,1,1,false,nil,nil,ft,tp)
	Duel.Release(g,REASON_COST)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		if e:GetLabel()==0 and Duel.GetLocationCount(1-tp,LOCATION_MZONE)<=1 then return false end
		e:SetLabel(0)
		return not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
			and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,800,500,1,RACE_PLANT,ATTRIBUTE_EARTH,POS_FACEUP_DEFENSE,1-tp)
	end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,2,tp,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,tp,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) or Duel.GetLocationCount(1-tp,LOCATION_MZONE)<2 
		or not Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,800,500,1,RACE_PLANT,ATTRIBUTE_EARTH,POS_FACEUP_DEFENSE,1-tp) then return end
	for i=1,2 do
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummonStep(token,0,tp,1-tp,false,false,POS_FACEUP_DEFENSE)
	end
	Duel.SpecialSummonComplete()
end