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:2019-02-07, Stock:RDS-B, The news for the past five days is as follows:
2019-01-31: NEWS1: Royal Dutch Shell Stock a High-Yield Transformation Story.NEWS2: Royal Dutch Shell Stock a High-Yield Transformation Story.NEWS3: Energy Sector Update for 01/31/2019: VLO, BHGE, RDS.A, RDS.B, XOM, CVX, COP, SLB, OXY.NEWS4: Energy Sector Update for 01/31/2019: VLO, BHGE, RDS.A, RDS.B, XOM, CVX, COP, SLB, OXY.NEWS5: European Markets End Mixed.NEWS6: European Markets End Mixed.NEWS7: European Shares Rise After Dovish Talk From Fed.NEWS8: European Shares Rise After Dovish Talk From Fed.NEWS9: FTSE 100 Rises On Upbeat Earnings.NEWS10: FTSE 100 Rises On Upbeat Earnings.
2019-02-01: NEWS1: Energy Sector Update for 02/01/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.NEWS2: Energy Sector Update for 02/01/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.
2019-02-04: NEWS1: Asian Markets Mixed In Holiday-thinned Trade.NEWS2: Asian Markets Mixed In Holiday-thinned Trade.NEWS3: Japanese Market Drifts Lower.NEWS4: Japanese Market Drifts Lower.NEWS5: European Markets End On Mixed Note.NEWS6: European Markets End On Mixed Note.
2019-02-05: nan
2019-02-06: NEWS1: The Oil Majors Are the Only Oil Stocks to Consider Now.NEWS2: The Oil Majors Are the Only Oil Stocks to Consider Now.

Answer: Decrease