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:2018-05-25, Stock:SNP, The news for the past five days is as follows:
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.
2018-05-22: NEWS1: Rally May Stall For Hong Kong Stock Market.NEWS2: Rally May Stall For Hong Kong Stock Market.NEWS3: China Stock Market May Run Out Of Steam.NEWS4: China Stock Market May Run Out Of Steam.NEWS5: Top Stock Reports for Cisco, Kraft Heinz & Sinopec.NEWS6: Top Stock Reports for Cisco, Kraft Heinz & Sinopec.NEWS7: European Markets Finished Mostly Higher After Late Climb.NEWS8: European Markets Finished Mostly Higher After Late Climb.NEWS9: European Shares Little Changed In Cautious Trade.NEWS10: European Shares Little Changed In Cautious Trade.NEWS11: FTSE 100 Extends Gains Ahead Of BoE Hearing.NEWS12: FTSE 100 Extends Gains Ahead Of BoE Hearing.
2018-05-23: NEWS1: Hong Kong Shares May Bounce Higher On Thursday.NEWS2: Hong Kong Shares May Bounce Higher On Thursday.NEWS3: Rebound Predicted For China Stock Market.NEWS4: Rebound Predicted For China Stock Market.NEWS5: China Petroleum & Chemical Corporation (SNP) Ex-Dividend Date Scheduled for May 24, 2018.NEWS6: China Petroleum & Chemical Corporation (SNP) Ex-Dividend Date Scheduled for May 24, 2018.NEWS7: The Zacks Analyst Blog Highlights: Cisco, Kraft Heinz, Sinopec, Glaxo and Progressive.
2018-05-24: NEWS1: Hong Kong Bourse May Hand Back Thursday's Gains.NEWS2: Hong Kong Bourse May Hand Back Thursday's Gains.NEWS3: Losing Streak May Continue For China Stock Market.NEWS4: Losing Streak May Continue For China Stock Market.NEWS5: 20 Oil Stocks for an Unpredictable Second Half.NEWS6: Sinopec to Import Record Crude Volumes From United States.

Answer: Decrease