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:2018-03-13, Stock:RDS-B, The news for the past five days is as follows:
2018-03-06: nan
2018-03-07: NEWS1: Royal Dutch Shell Reportedly Doubles LNG Purchase From Calcasieu Pass.NEWS2: Royal Dutch Shell Reportedly Doubles LNG Purchase From Calcasieu Pass.
2018-03-08: nan
2018-03-09: NEWS1: Market Chatter: Shell to Sell Out of Many Norwegian Fields.NEWS2: Market Chatter: Shell to Sell Out of Many Norwegian Fields.
2018-03-12: nan

Answer: Decrease