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:2021-09-17, Stock:NGG, The news for the past five days is as follows:
2021-09-10: nan
2021-09-13: NEWS1: FTSE 100 climbs, led by energy and utility companies as power prices rise.
2021-09-14: nan
2021-09-15: NEWS1: National Grid Renewables Pledges to Donate $720,000 to Illinois School District.NEWS2: National Grid/Hitachi ABB Power Grids Study Highlights Major Opportunities for Electrification of Fleet Vehicles.NEWS3: Winter blackout fears after substation fire cuts off French power.
2021-09-16: nan

Answer: Decrease