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:2018-11-19, Stock:SNP, The news for the past five days is as follows:
2018-11-12: NEWS1: Hong Kong Bourse May Hand Back Monday's Gains.NEWS2: Hong Kong Bourse May Hand Back Monday's Gains.NEWS3: China Bourse May Head South Again On Tuesday.NEWS4: China Bourse May Head South Again On Tuesday.
2018-11-13: NEWS1: Rally May Stall For Hong Kong Stock Market.NEWS2: Rally May Stall For Hong Kong Stock Market.
2018-11-14: NEWS1: Natural Gas Skyrockets As China Pledges Huge Supply Boost.NEWS2: Soft Start Predicted For Hong Kong Stock Market.NEWS3: Soft Start Predicted For Hong Kong Stock Market.NEWS4: Losses May Accelerate For China Stock Market.NEWS5: Losses May Accelerate For China Stock Market.NEWS6: PetroChina (PTR) Q3 Earnings Surge in Best Quarter Since 2014.NEWS7: PetroChina (PTR) Q3 Earnings Surge in Best Quarter Since 2014.
2018-11-15: nan
2018-11-16: nan

Answer: Decrease