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:2018-09-20, Stock:SO, The news for the past five days is as follows:
2018-09-13: NEWS1: 52-Week Company Lows.
2018-09-14: NEWS1: Pipeline Challenges in U.S. & Canada Continue Amid Oil Boom.NEWS2: Pipeline Challenges in U.S. & Canada Continue Amid Oil Boom.NEWS3: Southern Company’s Dividend Yield, Growth, and More.NEWS4: Southern Company’s Valuation Compared to Its Peers.NEWS5: Southern Company’s Chart Indicators and Short Interest.NEWS6: Southern Company CEO on hurricane prep and recovery.
2018-09-17: NEWS1: Construction resumes for Duke Energy-backed Atlantic Coast Pipeline.NEWS2: Analyzing Top Utilities’ Current Valuation.NEWS3: Utility Stocks Compared to Broader Markets Last Week.NEWS4: Scheduled refueling activities underway at Plant Vogtle Unit 1.NEWS5: NEE, DUK, SO, and D: Analysts’ Recommendations and Target Prices.
2018-09-18: nan
2018-09-19: NEWS1: 52-Week Company Lows.

Answer: Decrease