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:2018-12-18, Stock:SO, The news for the past five days is as follows:
2018-12-11: NEWS1: Tuesday Sector Leaders: Utilities, Consumer Products.NEWS2: Tuesday Sector Leaders: Utilities, Consumer Products.NEWS3: Southern Company joins as first corporate partner of the Southeast Aquatics Fund.NEWS4: Google's Dr. Janaki Akella and Former PG&E CEO Anthony Earley to Join the Southern Company Board of Directors.
2018-12-12: NEWS1: Southern Co. (SO) Stock Sinks As Market Gains: What You Should Know.NEWS2: Southern Company's 5.00% Class A Preferred Stock Ex-Dividend Reminder.NEWS3: Southern Company's 5.00% Class A Preferred Stock Ex-Dividend Reminder.NEWS4: What Do Southern Company’s Volatility Trends Indicate?.NEWS5: Southern Company’s Valuation Compared to Its Peers.NEWS6: Analyzing Southern Company’s Current Chart Indicators.NEWS7: New Ways to Profit on Cannabis Growth.NEWS8: Should You Buy The Southern Company (SO)?.
2018-12-13: NEWS1: Opus One Solutions closes Series B of Investment led by Renewal Funds.NEWS2: Georgia Power continues to make progress on ash pond closure at Plant Branch.NEWS3: Georgia&apos;s Top 10 government stories of 2018.NEWS4: Georgia&apos;s To 10 government stories of 2018.NEWS5: SO, DUK, and AEP: Analysts’ Views and Target Prices.NEWS6: Georgia Power continues to make progress on ash pond closures.NEWS7: Southern Co. (SO) Stock Sinks As Market Gains: What You Should Know.NEWS8: Southern Co. (SO) Stock Sinks As Market Gains: What You Should Know.
2018-12-14: NEWS1: Plant Vogtle employees donate more than 7,000 toys for Augusta-area children.NEWS2: Court puts up new roadblock for Duke Energy’s Atlantic Coast Pipeline.NEWS3: How Duke Energy is leading the Southeast on energy efficiency.NEWS4: Duke Energy leads the Southeast on energy efficiency.
2018-12-17: NEWS1: How Dominion Energy’s Dividend Yield Stacks Up with Peers.NEWS2: Duke Energy fails to shine in JD Power survey of business customer satisfaction.NEWS3: NEE, DUK, and SO: Top Utilities Received Higher Target Prices.

Answer: Decrease