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:2018-05-22, Stock:SNP, The news for the past five days is as follows:
2018-05-15: NEWS1: Continued Consolidation Called For Hong Kong Bourse.NEWS2: Continued Consolidation Called For Hong Kong Bourse.NEWS3: Rally May Stall For China Stock Market.NEWS4: Rally May Stall For China Stock Market.NEWS5: Analysts Forecast 15% Gains Ahead For The Holdings of FNI.NEWS6: Analysts Forecast 15% Gains Ahead For The Holdings of FNI.
2018-05-16: NEWS1: China Bourse May Reverse Wednesday's Losses.NEWS2: China Bourse May Reverse Wednesday's Losses.
2018-05-17: NEWS1: No Help Yet For Hong Kong Stock Market.NEWS2: No Help Yet For Hong Kong Stock Market.NEWS3: Losing Streak May Continue For China Stock Market.NEWS4: Losing Streak May Continue For China Stock Market.
2018-05-18: nan
2018-05-21: NEWS1: Read This Before Buying China Petroleum & Chemical Corporation (HKG:386) For Its Upcoming $0.4 Dividend.NEWS2: Win Streak Tipped To Continue For China Bourse.NEWS3: Win Streak Tipped To Continue For China Bourse.

Answer: Decrease