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:2021-02-08, Stock:NGG, The news for the past five days is as follows:
2021-02-01: nan
2021-02-02: NEWS1: What National Grid plc's (LON:NG.) ROE Can Tell Us.
2021-02-03: nan
2021-02-04: NEWS1: Urbint and National Grid Work Towards Preventing Serious Injuries or Fatalities to Utility Workers in the Field.
2021-02-05: nan

Answer: Decrease