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:2018-04-17, Stock:UNH, The news for the past five days is as follows:
2018-04-10: NEWS1: Humana Buys More Doctor Practices Amid Walmart Speculation.NEWS2: Noteworthy ETF Outflows: IWB, JPM, UNH, VZ.NEWS3: Noteworthy ETF Outflows: IWB, JPM, UNH, VZ.NEWS4: Big Healthcare Companies Jump Into Blockchain -- but Don't Expect Their Stocks to Soar Because of It.NEWS5: Big Healthcare Companies Jump Into Blockchain -- but Don't Expect Their Stocks to Soar Because of It.NEWS6: Aetna Inc. (AET) Ex-Dividend Date Scheduled for April 11, 2018.NEWS7: Aetna Inc. (AET) Ex-Dividend Date Scheduled for April 11, 2018.NEWS8: Big Healthcare Companies Jump Into Blockchain -- but Don&apos;t Expect Their Stocks to Soar Because of It.
2018-04-11: NEWS1: Close Update: U.S. Equities Post First Slide in Three Days as Global Political Worries Dent Sentiment.NEWS2: Close Update: U.S. Equities Post First Slide in Three Days as Global Political Worries Dent Sentiment.NEWS3: Intraday Update: Why the Dow's 100-Point Drop Isn't Enough If the Missiles Start to Fly.NEWS4: Dow Movers: GS, CVX.NEWS5: Dow Movers: GS, CVX.NEWS6: Online therapy start-up Talkspace hires a chief medical officer from UnitedHealth.NEWS7: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for April 12, 2018.NEWS8: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for April 12, 2018.
2018-04-12: NEWS1: Dow in Deep Red: Picks These 5 Green Stocks From It.NEWS2: Dow in Deep Red: Picks These 5 Green Stocks From It.NEWS3: Dow in Deep Red: Picks These 5 Green Stocks From It.
2018-04-13: NEWS1: D.C. headwinds could overwhelm earnings.NEWS2: Cramer's game plan: Washington headwinds could overwhelm ....NEWS3: Cramer&apos;s game plan: Washington headwinds could overwhelm earnings.NEWS4: Cramer's game plan: Washington headwinds could overwhelm earnings.NEWS5: USB vs. BAC: Which Bank Stock is Better Ahead of Earnings?.NEWS6: USB vs. BAC: Which Bank Stock is Better Ahead of Earnings?.NEWS7: Will UnitedHealth (UNH) Q1 Earnings Buoy on Revenue Growth?.NEWS8: Will UnitedHealth (UNH) Q1 Earnings Buoy on Revenue Growth?.NEWS9: Earnings Season Has Finally Arrived.NEWS10: Earnings Season Has Finally Arrived.NEWS11: Will UnitedHealth (UNH) Q1 Earnings Buoy on Revenue Growth?.
2018-04-16: NEWS1: Here's What to Watch as UnitedHealth Reports Earnings on Tuesday.NEWS2: U.S. Stocks Finish Higher With Healthcare, Earnings in Focus.NEWS3: U.S. Stocks Finish Higher With Healthcare, Earnings in Focus.NEWS4: IBM Stock Could Be the Sleeper Hit of the Dow Jones.NEWS5: IBM Stock Could Be the Sleeper Hit of the Dow Jones.NEWS6: Top Research Reports for ExxonMobil, AT&T & Barclays.NEWS7: Top Research Reports for ExxonMobil, AT&T & Barclays.NEWS8: Dow Hits Resistance At 50-Day As Apple Stock Moves Higher.NEWS9: Market Close Report: NASDAQ Composite index closes at 7,156.28 up 49.63 points.NEWS10: Market Close Report: NASDAQ Composite index closes at 7,156.28 up 49.63 points.NEWS11: Amazon Report Sends CVS, Walgreens, These Drug Distributors Soaring.NEWS12: Pre-Market Earnings Report for April 17, 2018 :  JNJ, UNH, GS, PGR, PLD, NTRS, CMA, OMC, MLNX, MBWM.NEWS13: Pre-Market Earnings Report for April 17, 2018 :  JNJ, UNH, GS, PGR, PLD, NTRS, CMA, OMC, MLNX, MBWM.NEWS14: UnitedHealth, Lam Research, IBM, Goldman, United Airlines Earnings Due: Investing Action Plan.NEWS15: Markets Right Now: US stocks indexes close broadly higher.NEWS16: Top Research Reports for ExxonMobil, AT&T & Barclays.NEWS17: US STOCKS-Wall St higher as Syria fears ease, earnings in focus.NEWS18: Stocks Close Notably Higher On Upbeat Earnings, Economic News - U.S. Commentary.NEWS19: Stocks Close Notably Higher On Upbeat Earnings, Economic News - U.S. Commentary.NEWS20: Earnings Expectations for UnitedHealth Group in 1Q18.NEWS21: UnitedHealth (UNH) Q1 Earnings to Gain From Optum Revenues.NEWS22: UnitedHealth (UNH) Q1 Earnings to Gain From Optum Revenues.NEWS23: UnitedHealth (UNH) Q1 Earnings to Gain From Optum Revenues.NEWS24: Could UnitedHealth Group Beat Analysts’ Revenue Estimates Again?.NEWS25: Analysts’ Recommendations for UnitedHealth Group.

Answer: Rise