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:2021-08-19, Stock:BA, The news for the past five days is as follows:
2021-08-12: NEWS1: Boeing's Starliner launch could face delay of several months - WSJ.NEWS2: Boeing Stock Gains as China Tests the MAX Jet. It’s a Step Toward Recertification..NEWS3: Boeing 737 Max Eyes Return To Fastest-Growing Aviation Markets.NEWS4: UPDATE 1-India set to clear Boeing 737 MAX to fly again soon -report.NEWS5: India set to clear Boeing 737 MAX to fly again soon -report.
2021-08-13: NEWS1: Fixing Boeing’s Problems Could Boost Its Stock by 35%. What It Needs to Do..NEWS2: SpaceX To Extend Lock On NASA Deal As Boeing Confirms Starliner Delay Until At Least Mid October.NEWS3: Bridgewater adds new stakes in chip makers and boosts GE bet, while selling off Boeing, Delta, UPS holdings.NEWS4: Boeing Is Broken. How It Can Win the Future—and Boost Its Stock by 35%..NEWS5: 10 Stocks To Invest In According to Clint Murray’s Lodge Hill Capital.NEWS6: Ford halts Bronco production, Boeing’s Starliner may reportedly face delays, Amazon moves LOTR production to UK.NEWS7: No Pressure Suits? Bezos, Branson Spark Alarm Over Safety in Space.NEWS8: UPDATE 1-Boeing's Starliner launch could face delay of several months - WSJ.
2021-08-16: NEWS1: Earnings Roundup: Boeing, Lockheed Martin, Tesla, XPO Logistics.NEWS2: Leasing Firm To Convert 18 Airbus A321 Passenger Jets To Freighters.NEWS3: Alaska Air exercises options on 12 Boeing 737-9 aircraft.
2021-08-17: NEWS1: Alaska Air (ALK) Arm Converts 12 Boeing 737-9 Aircraft Options.NEWS2: Boeing Gets More Orders for the 737-9. Just Don’t Call It a MAX..NEWS3: United To Crews: Don't Duct Tape Passengers; Does That Make United Airlines Stock A Buy Right Now? Here's What Earnings, Charts Show.NEWS4: Russian low cost carrier pulls out of Boeing 737 MAX contracts.NEWS5: Alaska Air Orders More Boeing 737 MAX 9s.
2021-08-18: NEWS1: Top Stock Reports for Disney, Charter Communications & Boeing.NEWS2: Four reasons why Biden ‘failed’ in Afghanistan withdrawal.NEWS3: Boeing's (NYSE:BA) Debt is One Step Ahead of Short-term Improvements.

Answer: Decrease