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:2021-09-23, Stock:NGG, The news for the past five days is as follows:
2021-09-16: nan
2021-09-17: NEWS1: Company Launches Project C, Celebrates with New York Day of Service.NEWS2: More Than 1,000 National Grid Employees Give Back To Local Communities To Celebrate Company's New York Day Of Service.
2021-09-20: NEWS1: Why the UK is facing an energy crisis and what it means for your gas and electricity bills.
2021-09-21: NEWS1: National Grid Invites Local Voices to Address World Leaders on Climate Change.
2021-09-22: nan

Answer: Decrease