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:2018-08-27, Stock:BRK-A, The news for the past five days is as follows:
2018-08-20: NEWS1: Forget $1 Trillion, AMZN Will Hit $2 Trillion by This Date.NEWS2: Forget $1 Trillion, AMZN Will Hit $2 Trillion by This Date.
2018-08-21: nan
2018-08-22: NEWS1: Markel (MKL) Hits 52-Week High: Can the Bull Run Continue?.NEWS2: Markel (MKL) Hits 52-Week High: Can the Bull Run Continue?.
2018-08-23: NEWS1: Allstates Property and Casualty Business Aids Top Line.NEWS2: Allstates Property and Casualty Business Aids Top Line.NEWS3: Is Berkshire Hathaway (BRK.B) Stock Outpacing Its Finance Peers This Year?.NEWS4: Is Berkshire Hathaway (BRK.B) Stock Outpacing Its Finance Peers This Year?.
2018-08-24: nan

Answer: Rise