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:2019-08-21, Stock:NGG, The news for the past five days is as follows:
2019-08-14: NEWS1: National Grid CEO Goes On Offensive as U.K. Probes Blackout.
2019-08-15: NEWS1: National Grid feels the heat after power cuts.
2019-08-16: NEWS1: National Grid electricity blackout report points to failure at wind farm.
2019-08-19: NEWS1: Niagara Mohawk Power Corporation Declares Preferred Stock Dividends.
2019-08-20: NEWS1: UPDATE 2-Lightning strike caused power cut in Britain -grid operator.

Answer: Rise