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:2018-11-08, Stock:RDS-B, The news for the past five days is as follows:
2018-11-01: NEWS1: Energy Sector Update for 11/01/2018: NFX, MPC, RDS.A, RDS.B, XOM, CVX, COP, SLB, OXY.NEWS2: Energy Sector Update for 11/01/2018: NFX, MPC, RDS.A, RDS.B, XOM, CVX, COP, SLB, OXY.NEWS3: Shell Q3 EPS Matches Street View, Revenue Misses Forecasts.NEWS4: Shell Q3 EPS Matches Street View, Revenue Misses Forecasts.NEWS5: Royal Dutch Shell Unveils Second Tranche of Share Buyback Program Amid Surge in Third Quarter Profit.NEWS6: Royal Dutch Shell Unveils Second Tranche of Share Buyback Program Amid Surge in Third Quarter Profit.NEWS7: Earnings Reaction History: Royal Dutch Shell plc CL B, 30.0% Follow-Through Indicator, 2.4% Sensitive.NEWS8: Earnings Reaction History: Royal Dutch Shell plc CL B, 30.0% Follow-Through Indicator, 2.4% Sensitive.NEWS9: European Shares Rise On Brexit Deal Hopes.NEWS10: European Shares Rise On Brexit Deal Hopes.NEWS11: FTSE 100 Subdued As Pound Extends Rally On Brexit Hopes.NEWS12: FTSE 100 Subdued As Pound Extends Rally On Brexit Hopes.
2018-11-02: nan
2018-11-05: nan
2018-11-06: nan
2018-11-07: nan

Answer: Decrease