Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If a monster you control attacks a Defense Position monster, change that monster to face-up Attack Position at the end of the Damage Step if your attacking monster is Reptile-Type.
--アタック・フェロモン
--Attack Pheromones
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--to defense
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_POSITION)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_DAMAGE_STEP_END)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCondition(s.poscon)
	e2:SetOperation(s.posop)
	c:RegisterEffect(e2)
end
function s.poscon(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	local d=Duel.GetAttackTarget()
	return a and d and a:IsRelateToBattle() and d:IsRelateToBattle() and a:IsRace(RACE_REPTILE) and d:IsDefensePos()
end
function s.posop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local a=Duel.GetAttackTarget()
	Duel.ChangePosition(a,POS_FACEUP_ATTACK)
end