Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2021-12-20, Stock:BA, The news for the past five days is as follows:
2021-12-13: NEWS1: Why Boeing Stock Dropped Monday.NEWS2: Dow Jones Slips; Elon Musk Says This, Bitcoin Plunges; AMC Stock, GameStop Crater.NEWS3: UPDATE 2-U.S. Senate committee faults FAA oversight of Boeing.NEWS4: U.S. Senate committee faults FAA oversight of Boeing.NEWS5: U.S. Senate panel faults FAA oversight of Boeing.NEWS6: Space tourism is ‘a small part of the overall space economy,’ ProcureAM CEO says.NEWS7: News in Brief: Native Realty relocates headquarters; Cannabist opens dispensary in Delray Beach.NEWS8: Region's Boeing 787 suppliers could see production delays into spring.
2021-12-14: NEWS1: UPDATE 1-Former Boeing pilot says FAA official called him 'scapegoat' for crashes.NEWS2: Boeing switches Starliner capsule for NASA test flight, eyes new launch date with Colorado's ULA.NEWS3: Catalyst Pivotal Growth Fund Buys DocuSign Inc, NVIDIA Corp, Bill. ....NEWS4: Former Boeing pilot says FAA official called him 'scapegoat' for crashes.NEWS5: Former Boeing pilot says FAA official called him 'scapegoat'.NEWS6: Boeing on track to double commercial deliveries year over year.NEWS7: Boeing on Track to Double Aircraft Deliveries in 2021.NEWS8: Boeing delivers 34 aircraft in November, picks up Southwest order.NEWS9: Boeing's Starliner Is Still Stuck on the Launchpad.NEWS10: Boeing New Plane Deliveries Quadruple in November From 2020.NEWS11: Multifamily developer buys two large Renton parcels from Boeing.
2021-12-15: NEWS1: Boeing (BA) Stock Sinks As Market Gains: What You Should Know.NEWS2: Dow Jones Pares Losses Ahead Of Fed Decision; Rivian, Roblox Stocks Drop.NEWS3: Leidos Holdings (LDOS) Inks $82M Contract to Support UAS.NEWS4: VanEck Morningstar Wide Moat ETF Buys Polaris Inc, The Western Union Co, KLA Corp, Sells Adobe ....NEWS5: VanEck Morningstar Global Wide Moat ETF Buys Wells Fargo, Safran SA, Boeing Co, Sells Adobe ....
2021-12-16: NEWS1: Airbus Wins Two Longtime Boeing Customers.NEWS2: FAA official calls Boeing test pilot a 'scapegoat' in 737 Max case.NEWS3: Back to school: Spirit AeroSystems wants to bolster student pipeline.NEWS4: Boeing Donates $1 Million to Assist with Tornado Recovery and Relief Efforts.NEWS5: UPDATE 1-U.S. FAA names WestJet official as new aviation safety chief.NEWS6: UPDATE 1-737 MAX crash victims' relatives ask court to rescind Boeing prosecution immunity.NEWS7: Airbus sends last A380 out with love.NEWS8: 737 MAX crash relatives ask court to rescind Boeing criminal prosecution immunity.NEWS9: U.S. FAA names new aviation safety chief.NEWS10: UPDATE 3-Airbus lands Air France-KLM jet order, capping trio of deals.NEWS11: Airbus lands Air France-KLM jet order, capping trio of deals.NEWS12: Airbus wins Air France-KLM jet order in dramatic treble - sources.NEWS13: Lockheed (LMT) Wins $77M Contract to Support F-16 Program.NEWS14: Airbus wins dominant share of Air France-KLM jet purchase - sources.NEWS15: Boeing Loses Qantas Business to Airbus. But There’s Good News, Too..NEWS16: JPMorgan Cuts Boeing Price Target By 1.8%.NEWS17: RPT-UPDATE 6-Qantas switches domestic fleet to Airbus in blow to Boeing.NEWS18: Qantas Snags 40 Airbus Jets, Snubbing Boeing.NEWS19: UPDATE 1-Tech stocks lift European stocks ahead of ECB outcome.NEWS20: FOCUS-Airlines place their bets, looking past pandemic to renew fleets.
2021-12-17: NEWS1: Seattle company buys Boeing's Longacres property in Renton.NEWS2: UPDATE 3-Boeing suspends vaccine mandate for U.S. employees.NEWS3: Boeing sees 'big defections' as customers place orders with rival Airbus.NEWS4: Boeing suspends vaccine mandate for U.S. employees.NEWS5: The Zacks Analyst Blog Highlights: Alphabet, Bank of America, S&P Global, ServiceNow and Boeing.NEWS6: 5 Top Stock Gainers for Friday as Markets Slide.NEWS7: Boeing reaches proposed settlement to shareholder lawsuit stemming from 737 MAX fatalities.NEWS8: Summary Notice of Pendency of Derivative Action, Proposed Settlement of Derivative Action, Settlement Hearing and Right to Appear.NEWS9: Boeing wants to build its next airplane in the 'metaverse'.NEWS10: FOCUS-Boeing wants to build its next airplane in the 'metaverse'.NEWS11: Fidelity Destiny Portfolios Buys Salesforce. ....

Answer: Decrease