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:2019-04-23, Stock:RDS-B, The news for the past five days is as follows:
2019-04-15: NEWS1: Market Chatter: Shell, Reliance Industries to Leave Panna-Mukta Oil Fields After Contract Expires This Year.NEWS2: Market Chatter: Shell, Reliance Industries to Leave Panna-Mukta Oil Fields After Contract Expires This Year.
2019-04-16: nan
2019-04-17: nan
2019-04-18: NEWS1: Energy Sector Update for 04/18/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.NEWS2: Energy Sector Update for 04/18/2019: BHGE, XOM, CVX, RDS.A, RDS.B, BP, E, COP, TOT, PBR, PBR.A, EC, SLB, HAL, NOV, SPN.
2019-04-22: NEWS1: Saudi Aramco to Acquire Shell's Share in Saudi Refining JV for $631 Mln.NEWS2: Saudi Aramco to Acquire Shell's Share in Saudi Refining JV for $631 Mln.

Answer: Decrease