Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
"Elemental HERO Ocean" + "Elemental HERO Woodsman" Must be Fusion Summoned and cannot be Special Summoned by other ways. You can Tribute 1 face-up "Elemental HERO" monster; this card gains ATK equal to the Tributed monster's ATK, until the End Phase.
--E・HERO ジ・アース
--Elemental HERO Terra Firma
local s,id=GetID()
function s.initial_effect(c)
	--fusion material
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,37195861,75434695)
	--atkup
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCost(s.atkcost)
	e1:SetOperation(s.atkop)
	c:RegisterEffect(e1)
	--spsummon condition
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e2:SetCode(EFFECT_SPSUMMON_CONDITION)
	e2:SetValue(aux.fuslimit)
	c:RegisterEffect(e2)
end
s.material_setcode={SET_HERO,SET_ELEMENTAL_HERO}
function s.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckReleaseGroupCost(tp,Card.IsSetCard,1,false,nil,e:GetHandler(),SET_ELEMENTAL_HERO) end
	local g=Duel.SelectReleaseGroupCost(tp,Card.IsSetCard,1,1,false,nil,e:GetHandler(),SET_ELEMENTAL_HERO)
	e:SetLabel(g:GetFirst():GetAttack())
	Duel.Release(g,REASON_COST)
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFacedown() or not c:IsRelateToEffect(e) then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(e:GetLabel())
	e1:SetReset(RESETS_STANDARD_PHASE_END)
	c:RegisterEffect(e1)
end