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:2019-11-22, Stock:BP, The news for the past five days is as follows:
2019-11-15: NEWS1: Q3 13F Roundup: How Buffett, Einhorn, Ackman And Others Adjusted Their Portfolios.NEWS2: The Risks Surrounding Saudi Aramco’s IPO.NEWS3: CEO exodus hits record as BHP boss jumps ship.
2019-11-18: NEWS1: David Rolfe Adds 2 Tech Stocks to Portfolio in 3rd Quarter.
2019-11-19: NEWS1: Some Value And Promise in a Global Oil ETF.
2019-11-20: NEWS1: Asia’s Richest Man Breaks Into Club of Six Oil Elites.
2019-11-21: nan

Answer: Decrease