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:2018-06-07, Stock:UNH, The news for the past five days is as follows:
2018-05-31: NEWS1: Noteworthy Thursday Option Activity: NVDA, UNH, ADI.NEWS2: Noteworthy Thursday Option Activity: NVDA, UNH, ADI.NEWS3: Top Stock Reports for 3M, Altria & Stryker.NEWS4: Top Stock Reports for 3M, Altria & Stryker.NEWS5: LabCorp Extends Aetna Agreement, Expands Diagnostics Business.NEWS6: LabCorp Extends Aetna Agreement, Expands Diagnostics Business.NEWS7: Interesting UNH Put And Call Options For July 13th.NEWS8: Interesting UNH Put And Call Options For July 13th.NEWS9: Top Stock Reports for 3M, Altria & Stryker.NEWS10: Health Insurers Await 400K Virginians About To Gain Medicaid Coverage.NEWS11: [$$] Did We Say $1.5 Million? We Meant $10.9 Million. Firms Fix CEO Pay Flubs.
2018-06-01: NEWS1: Dow Movers: UNH, INTC.NEWS2: Dow Movers: UNH, INTC.NEWS3: Noteworthy ETF Inflows: IWF, GOOGL, V, UNH.NEWS4: Noteworthy ETF Inflows: IWF, GOOGL, V, UNH.NEWS5: The Zacks Analyst Blog Highlights: 3M, Altria, Stryker, UnitedHealth and Veeva.NEWS6: The Zacks Analyst Blog Highlights: 3M, Altria, Stryker, UnitedHealth and Veeva.NEWS7: The Zacks Analyst Blog Highlights: 3M, Altria, Stryker, UnitedHealth and Veeva.
2018-06-04: NEWS1: UnitedHealth Group Announces Results of 2018 Annual Shareholder Meeting.NEWS2: 9 Stocks Poised for Healthy Long-Term Gains.NEWS3: Morgan Stanley Calls Labs 'Safe Havens': Stocks to Watch.NEWS4: Morgan Stanley Calls Labs 'Safe Havens': Stocks to Watch.NEWS5: Dow Movers: CSCO, MRK.NEWS6: Dow Movers: CSCO, MRK.NEWS7: Morgan Stanley Calls Labs &apos;Safe Havens&apos;: Stocks to Watch.
2018-06-05: NEWS1: Wellcare (WCG) Downgraded by Moody's on Meridian Buyout News.NEWS2: Wellcare (WCG) Downgraded by Moody's on Meridian Buyout News.NEWS3: LabCorp, Unilabs Tie Up to Expand in Companion Diagnostics.NEWS4: LabCorp, Unilabs Tie Up to Expand in Companion Diagnostics.NEWS5: Wellcare (WCG) Downgraded by Moody&apos;s on Meridian Buyout News.NEWS6: LabCorp, Unilabs Tie Up to Expand in Companion Diagnostics.
2018-06-06: NEWS1: Daily Dividend Report: UNH, DVN, TJX, HES, TSS.NEWS2: Daily Dividend Report: UNH, DVN, TJX, HES, TSS.NEWS3: Why DaVita is selling its direct-primary-care unit, Paladina Health.NEWS4: These Stocks Add To Hopes For $1 Trillion Investor Windfall This Year.NEWS5: Ironman Merger Sub, LLC -- Moody's assigns B1 CFR to Ironman Merger Sub, LLC (aka Sound Inpatient Physician Holdings, LLC).NEWS6: Social Security will be insolvent by 2034, Medicare much sooner.NEWS7: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for June 07, 2018.NEWS8: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for June 07, 2018.NEWS9: Kewaunee Scientific Corporation (KEQU) Ex-Dividend Date Scheduled for June 07, 2018.NEWS10: Kewaunee Scientific Corporation (KEQU) Ex-Dividend Date Scheduled for June 07, 2018.NEWS11: Silicon Valley venture fund NEA scoops up primary care clinics from DaVita for around $100 million.NEWS12: UnitedHealth's stock rallies after boosting dividend 20%, setting new 100 million share buyback program.NEWS13: UnitedHealth Group Board Increases Shareholder Dividend; Renews Share Repurchase Program.NEWS14: UnitedHealth Board Raises Dividend - Quick Facts.NEWS15: UnitedHealth Board Raises Dividend - Quick Facts.

Answer: Rise