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:2021-07-21, Stock:SO, The news for the past five days is as follows:
2021-07-14: NEWS1: Alabama Power Dividends Declared.
2021-07-15: NEWS1: Georgia Power offers energy assistance programs to help customers reduce impact of early summer heat on bills.NEWS2: Why the Earnings Surprise Streak Could Continue for Southern Co. (SO).NEWS3: Georgia Power Solar Growth Remains Strong.
2021-07-16: nan
2021-07-19: NEWS1: Southern Company announces quarterly dividend.NEWS2: Nicor Gas receives approval for renewable natural gas pilot program.
2021-07-20: NEWS1: Georgia Power launches new series of interactive STEM-based videos.NEWS2: Zacks Industry Outlook Highlights: NextEra Energy, The Southern Co, Xcel Energy, WEC Energy Group and Entergy Corp.

Answer: Decrease