Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
During the End Phase, if this card is in the GY because it was sent there as Link Material this turn: You can activate 1 of the following effects. ● Target 1 "Salamangreat" monster in your GY, except "Salamangreat Coyote"; Special Summon it in Defense Position. ● Target 1 "Salamangreat" card in your GY, except "Salamangreat Coyote"; add it to your hand. You can only use this effect of "Salamangreat Coyote" once per turn.
--転生炎獣コヨーテ
--Salamangreat Coyote
local s,id=GetID()
function s.initial_effect(c)
	--to grave
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e1:SetCode(EVENT_BE_MATERIAL)
	e1:SetOperation(s.regop)
	c:RegisterEffect(e1)
end
s.listed_names={id}
s.listed_series={SET_SALAMANGREAT}
function s.regcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_LINK
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsReason(REASON_LINK) then
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(aux.Stringid(id,0))
		e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetRange(LOCATION_GRAVE)
		e1:SetCountLimit(1,id)
		e1:SetTarget(s.target)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
	end
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_SALAMANGREAT) and not c:IsCode(id) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.thfilter(c)
	return c:IsSetCard(SET_SALAMANGREAT) and not c:IsCode(id) and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then
		if not (chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE)) then return false end
		if e:GetLabel()==0 then return s.spfilter(chkc,e,tp) else return s.thfilter(chkc) end
	end
	local b1=Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
	local b2=Duel.IsExistingTarget(s.thfilter,tp,LOCATION_GRAVE,0,1,nil)
	if chk==0 then return b1 or b2 end
	local op=0
	if b1 and b2 then
		op=Duel.SelectOption(tp,aux.Stringid(id,1),aux.Stringid(id,2))
	elseif b1 then
		op=Duel.SelectOption(tp,aux.Stringid(id,1))
	else
		op=Duel.SelectOption(tp,aux.Stringid(id,2))+1
	end
	e:SetLabel(op)
	if op==0 then
		e:SetCategory(CATEGORY_SPECIAL_SUMMON)
		e:SetOperation(s.spop)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
	else
		e:SetCategory(CATEGORY_TOHAND)
		e:SetOperation(s.thop)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
		local g=Duel.SelectTarget(tp,s.thfilter,tp,LOCATION_GRAVE,0,1,1,nil)
		Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,0,0)
	end
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
	end
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end