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:2019-01-08, Stock:RDS-B, The news for the past five days is as follows:
2018-12-31: nan
2019-01-02: NEWS1: Energy Sector Update for 01/02/2019: TOT, RDS.A, RDS.B, TUSK, XOM, CVX, COP, SLB, OXY.NEWS2: Energy Sector Update for 01/02/2019: TOT, RDS.A, RDS.B, TUSK, XOM, CVX, COP, SLB, OXY.NEWS3: Shell Obtains License to Independently Trade Oil Products in Chinese Wholesale Market.NEWS4: Shell Obtains License to Independently Trade Oil Products in Chinese Wholesale Market.
2019-01-03: nan
2019-01-04: NEWS1: Energy Sector Update for 01/04/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.NEWS2: Energy Sector Update for 01/04/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.
2019-01-07: nan

Answer: Decrease