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:2018-09-07, Stock:UNH, The news for the past five days is as follows:
2018-08-30: NEWS1: Is the Wage Gap Between Doctors and CEOs Why Healthcare Is So Expensive?.
2018-08-31: NEWS1: 10 Smart Money Stocks to Buy for the Rest of the Year.NEWS2: 10 Smart Money Stocks to Buy for the Rest of the Year.NEWS3: Tacoma-based Sound Physicians sold for $2.2 billion.NEWS4: Fitbit Health Solutions COO talks how it plans to fend off Apple.NEWS5: Fitbit&apos;s COO talks how it plans to fend off Apple.NEWS6: Fitbit&apos;s head of enterprise talks how it plans to fend off Apple.NEWS7: When Bad Things Happen to Good Markets.NEWS8: When Bad Things Happen to Good Markets.NEWS9: Molina Healthcare Surges 80% YTD: Can the Rally Continue?.NEWS10: Molina Healthcare Surges 80% YTD: Can the Rally Continue?.NEWS11: Fidelity Select Health Care Portfolio Has a Promising Prognosis.NEWS12: Fidelity Select Health Care Portfolio Has a Promising Prognosis.
2018-09-04: NEWS1: Notable Tuesday Option Activity: BMY, SEMG, UNH.NEWS2: Notable Tuesday Option Activity: BMY, SEMG, UNH.NEWS3: Amazon/JPM/Berkshire health initiative has hired Jack Stoddard as COO: CNBC.NEWS4: UnitedHealth's Optum to Jointly Acquire Sound Physicians.NEWS5: UnitedHealth's Optum to Jointly Acquire Sound Physicians.NEWS6: UnitedHealth&apos;s Optum to Jointly Acquire Sound Physicians.NEWS7: Ex-Dividend Reminder: UnitedHealth Group, Amerisafe and Weingarten Realty Investors.NEWS8: Ex-Dividend Reminder: UnitedHealth Group, Amerisafe and Weingarten Realty Investors.
2018-09-05: NEWS1: UnitedHealth Group (UNH) Stock Moves -0.28%: What You Should Know.NEWS2: Health Care Sector Update for 09/05/2018: DERM,AGIO,PRQR,HSGX,CELG,ESRX,UNH.NEWS3: Health Care Sector Update for 09/05/2018: DERM,AGIO,PRQR,HSGX,CELG,ESRX,UNH.NEWS4: WellCare (WCG) Buys Meridian, Boosts Medicaid Membership.NEWS5: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for September 06, 2018.NEWS6: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for September 06, 2018.NEWS7: Prudential Financial a Top Socially Responsible Dividend Stock With 3.6% Yield (PRU).NEWS8: Prudential Financial a Top Socially Responsible Dividend Stock With 3.6% Yield (PRU).
2018-09-06: NEWS1: IBD Stock Of The Day: This Health Leader Hits Buy Point After Tight Trading.NEWS2: UnitedHealth Group Goes Ex-Dividend Today.NEWS3: Analysts Raise Target Prices on UNH Stock in September.NEWS4: Amazon-Berkshire-JPM Health Venture Makes 'Bold Statement' With COO Hire.NEWS5: UnitedHealth Group Stock at 52-Week High, Up 22% Year-to-Date.NEWS6: IUSG, UNH, ORCL, BDX: Large Inflows Detected at ETF.NEWS7: IUSG, UNH, ORCL, BDX: Large Inflows Detected at ETF.NEWS8: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for September 07, 2018.NEWS9: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for September 07, 2018.NEWS10: UnitedHealth Group (UNH) Stock Moves -0.28%: What You Should Know.NEWS11: UnitedHealth Group (UNH) Stock Moves -0.28%: What You Should Know.

Answer: Decrease