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:2020-02-21, Stock:UNH, The news for the past five days is as follows:
2020-02-13: NEWS1: Dow Jones Recovers After Coronavirus Swoon; Tesla Proves Why It's A Stock Market Leader.NEWS2: Sound Inpatient Physicians, Inc. -- Moody's announces completion of a periodic review of ratings of Sound Inpatient Physicians, Inc..NEWS3: Is UnitedHealth Group (UNH) Outperforming Other Medical Stocks This Year?.NEWS4: Health insurer stocks surge as Bernie Sanders’ primary win seen boosting Trump’s chances.NEWS5: IBD Live: This Top Dow Jones Stock Triggers Bullish Buy Signal – Here's Why.
2020-02-14: NEWS1: Andreas Halvorsen's Top 5 Buys in the 4th Quarter.NEWS2: Up 900%, Teladoc Stock Still Has Tremendous Upside Ahead.NEWS3: UnitedHealth (UNH) Up 0.5% Since Last Earnings Report: Can It Continue?.NEWS4: Income and Growth Investors Will Benefit as CVS Adopts Managed Care.
2020-02-18: NEWS1: UnitedHealthcare and Optum Take Action to Support People Affected by Floods in Mississippi.NEWS2: Health care stocks’ rise as analyst sees Bernie Sanders as ‘unelectable,’ Elizabeth Warren ‘fading’.
2020-02-19: NEWS1: UnitedHealthcare Helps Confront the Opioid Epidemic with New Oral Health Public Toolkit.
2020-02-20: NEWS1: US Indexes Close Lower Thursday.NEWS2: 4 Most Popular Healthcare Stocks Among Hedge Funds: Q4 Rankings.NEWS3: Dow Jones Today: The Coronavirus Takes a Toll.NEWS4: Intel, Goldman Sachs share losses contribute to Dow's 167-point drop.NEWS5: Intel, Microsoft share losses lead Dow's 275-point fall.NEWS6: Nation’s largest insurer invests in Waltham healthcare AI startup.NEWS7: Dow down 75 points on losses for shares of Intel, UnitedHealth.NEWS8: Health-care stocks hinge on presidential politics — and they’re now looking favorable.

Answer: Decrease