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:2020-10-06, Stock:BA, The news for the past five days is as follows:
2020-09-29: NEWS1: Boeing 737 Max Is About To Face Its Most Important Pilot Yet.NEWS2: Bell-Boeing JV Wins $46M Contract to Upgrade MV-22 Program.NEWS3: Do Covid-19 Tests, New Deal With Pilots Make United Airlines Stock A Buy Right Now? Here's What Earnings, Charts Show.NEWS4: Dubai Aerospace Enterprise (DAE) Ltd -- Moody's assigns a Baa3 long-term issuer rating to Dubai Aerospace Enterprise (DAE) Ltd, outlook is negative.NEWS5: Germany postpones plans to purchase new military helicopters.NEWS6: U.S. lawmakers propose airplane certification reforms after fatal Boeing crashes.
2020-09-30: nan
2020-10-01: nan
2020-10-02: nan
2020-10-05: nan

Answer: Decrease