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:2018-11-20, Stock:SNP, The news for the past five days is as follows:
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
2018-11-19: NEWS1: Rally Expected To Stall For Hong Kong Bourse.NEWS2: Rally Expected To Stall For Hong Kong Bourse.NEWS3: China Stock Market Tipped To Halt Winning Streak.NEWS4: China Stock Market Tipped To Halt Winning Streak.

Answer: Decrease