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:2020-02-20, Stock:UNH, The news for the past five days is as follows:
2020-02-12: NEWS1: US Indexes Continue Rally Wednesday.NEWS2: Dow Jones Today: Easing Coronavirus Concerns Propel Stocks Higher.NEWS3: Dow's 289-point jump led by gains for shares of UnitedHealth, Nike.NEWS4: Democrats’ primary battle shifts to Nevada, South Carolina as Biden maps a comeback.NEWS5: US STOCKS-Wall St hits fresh highs as new coronavirus cases drop.NEWS6: Dow Jones Surges 200 Points To Record High As Coronavirus Cases Slow.NEWS7: Why Jim Cramer Is Watching Carnival and UnitedHealth Group.NEWS8: What To Know Before Buying UnitedHealth Group Incorporated (NYSE:UNH) For Its Dividend.NEWS9: UnitedHealth and Other Health Insurers Are Winners in New Hampshire Primary.NEWS10: US STOCKS-S&P 500, Dow clinch fresh highs as new coronavirus cases drop.NEWS11: CVS Health Shares Gain on Strong 4th Quarter.NEWS12: Dow Jones Romps 200 Points To Record High As Coronavirus Fears Ease.NEWS13: UnitedHealth surges toward record as Bernie Sanders's New Hampshire win is seen as bolstering Trump's re-election chances.NEWS14: IBD Live: Buy Signal Alert On UnitedHealth Stock.NEWS15: Dow Jones Hits Record Highs On Coronavirus Update; Big Earnings Movers Include CyberArk, Lyft, Shopify.NEWS16: UnitedHealth, Dow Inc. share gains contribute to Dow's 212-point jump.NEWS17: UnitedHealth Stock Rises 4%.
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.

Answer: Decrease