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:2021-05-21, Stock:NGG, The news for the past five days is as follows:
2021-05-14: NEWS1: Hydrogen Gains a Toehold in Europe as a Cleaner Alternative to Gas and Coal.
2021-05-17: nan
2021-05-18: nan
2021-05-19: nan
2021-05-20: NEWS1: Time to turbocharge offshore wind, says National Grid boss.NEWS2: National Grid and RWE Renewables Sign Partnership to Jointly Bid in the New York Bight Lease Auction.NEWS3: National Grid joins forces with RWE to target US offshore wind.

Answer: Decrease