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:2019-08-01, Stock:RDS-B, The news for the past five days is as follows:
2019-07-25: nan
2019-07-26: NEWS1: Energy Sector Update for 07/26/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.NEWS2: Energy Sector Update for 07/26/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.
2019-07-29: nan
2019-07-30: NEWS1: Royal Dutch Shell to Report Earnings Thursday Morning: Should You Buy?.NEWS2: Royal Dutch Shell to Report Earnings Thursday Morning: Should You Buy?.
2019-07-31: nan

Answer: Decrease