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:2021-02-22, Stock:SO, The news for the past five days is as follows:
2021-02-12: NEWS1: Calculating The Fair Value Of The Southern Company (NYSE:SO).
2021-02-16: NEWS1: Georgia Powers offers energy savings tips for cold weather.
2021-02-17: nan
2021-02-18: NEWS1: Georgia Power President Chris Womack named one of Atlanta Business Chronicle's Leaders in Corporate Citizenship.NEWS2: The Southern Co. to Host Earnings Call.NEWS3: Recap: Southern Q4 Earnings.NEWS4: Southern Company reports fourth-quarter and full-year 2020 earnings.
2021-02-19: NEWS1: Georgia Power encourages planting the right tree in the right place on Georgia Arbor Day.NEWS2: Southern Company system attorneys selected for leadership program.NEWS3: Southern Company (SO) Q4 2020 Earnings Call Transcript.

Answer: Decrease