Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When a Winged Beast monster you control is destroyed by battle and sent to the GY: Special Summon 2 "Blackwing - Black Crest Tokens" (Winged Beast/DARK/Level 2/ATK 0/DEF 800).
--ブラック・リベンジ
--Black Wing Revenge
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_BATTLE_DESTROYED)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_names={9925983}
function s.cfilter(c,tp)
	return c:IsReason(REASON_BATTLE) and c:IsLocation(LOCATION_GRAVE) and c:IsPreviousControler(tp) and c:IsRace(RACE_WINGEDBEAST)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>1
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,0,800,2,RACE_WINGEDBEAST,ATTRIBUTE_DARK) end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,2,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,2,tp,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) and Duel.GetLocationCount(tp,LOCATION_MZONE)>1
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,0,800,2,RACE_WINGEDBEAST,ATTRIBUTE_DARK) then
		for i=1,2 do
			local token=Duel.CreateToken(tp,id+1)
			Duel.SpecialSummonStep(token,0,tp,tp,false,false,POS_FACEUP)
		end
		Duel.SpecialSummonComplete()
	end
end