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:2019-04-12, Stock:UNH, The news for the past five days is as follows:
2019-04-05: NEWS1: UnitedHealthcare to Continue Serving Arizonans Statewide Through the Department of Economic Security Division of Developmental Disabilities Health Plan.NEWS2: Dow 30 Stock Roundup: WBA Q2 Earnings Disappoint, PFE Lung Cancer Drug Gets EU Approval.
2019-04-08: NEWS1: Walgreens and CVS stocks look like tempting values, but investors may be swallowing a bitter pill.NEWS2: How to Make a Winning Investment Bet Against the Fund Crowd Right Now, According to a Strategist.
2019-04-09: NEWS1: UnitedHealth Group (UNH) Gains As Market Dips: What You Should Know.NEWS2: Senator: Pharmacy benefit managers are PBNs — ‘pretty bad negotiators’.NEWS3: CNC or UNH: Who Has Better Earnings Growth Prospects?.NEWS4: UnitedHealth Group (UNH) Reports Next Week: Wall Street Expects Earnings Growth.NEWS5: UnitedHealth Group (UNH) Reports Next Week: Wall Street Expects Earnings Growth.NEWS6: Revenue Growth Prospects: What to Expect from CNC and UNH.NEWS7: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS8: UnitedHealth Group (UNH) Reports Next Week: Wall Street Expects Earnings Growth.NEWS9: What Are Analysts Recommending for CNC and UNH?.
2019-04-10: NEWS1: Close Update: Stocks Post Gains as Real Estate, Technology Sectors Pace S&P 500.NEWS2: Close Update: Stocks Post Gains as Real Estate, Technology Sectors Pace S&P 500.NEWS3: UnitedHealthcare Expands Use of Bundled Payments with Medicare Advantage Health Care Providers.NEWS4: S&P Streak Ends as Stocks Step Back.NEWS5: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for April 11, 2019.NEWS6: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for April 11, 2019.NEWS7: How Amazon could change the pharmacy business.NEWS8: Optum Is a Major Differentiator for UnitedHealth Group.NEWS9: UnitedHealth Group (UNH) Gains As Market Dips: What You Should Know.NEWS10: UnitedHealth Group (UNH) Gains As Market Dips: What You Should Know.
2019-04-11: NEWS1: Stocks Close Mixed With Corporate Earnings Ahead.NEWS2: Stocks Close Mixed With Corporate Earnings Ahead.NEWS3: UnitedHealth Leads Health Care Sick List On &apos;Medicare For All&apos; Fears.NEWS4: The Dow Is Stuck In a Rut – and Even Earnings Might Not Get It Going.NEWS5: Stocks struggle to a mixed finish after early rally sputters.NEWS6: Noteworthy Thursday Option Activity: WTW, EIGI, UNH.NEWS7: Noteworthy Thursday Option Activity: WTW, EIGI, UNH.NEWS8: Market Close Report: NASDAQ Composite index closes at 7,947.36 down -16.88 points.NEWS9: Market Close Report: NASDAQ Composite index closes at 7,947.36 down -16.88 points.NEWS10: Managed-Care Stocks Tumble as HHS Chief Adds to Policy Worries.NEWS11: Markets Right Now: Stocks struggled to a mixed finish.NEWS12: 5 Top Stock Trades for Friday: CGC, CVS, ICPT, RAD, UNH.NEWS13: Health care companies lead US stock indexes slightly lower.NEWS14: 15 Safe Dividend Stocks to Buy for the Rest of 2019.NEWS15: What ‘Medicare for All’ would do to the health-care sector.NEWS16: UnitedHealth's (UNH) Unit to Upgrade Care Bundles Program.NEWS17: UnitedHealth's (UNH) Unit to Upgrade Care Bundles Program.NEWS18: What's in Store for Dow ETF in Q1 Earnings?.NEWS19: UnitedHealth Falls 4%.NEWS20: UnitedHealth's (UNH) Unit to Upgrade Care Bundles Program.NEWS21: Bull of the Day: Centene (CNC).NEWS22: Bull of the Day: Centene (CNC).NEWS23: Bull of the Day: Centene (CNC).

Answer: Decrease