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:2018-04-13, Stock:UNH, The news for the past five days is as follows:
2018-04-06: NEWS1: &quot;Fast Money&quot; final trades: HD, BA and more.NEWS2: Optum’s VC arm joins in $12M round for in-home lab testing startup.NEWS3: Stocks dive as US proposes more China tariffs; Dow falls 620.NEWS4: Stocks skid again after US proposes more China tariffs.NEWS5: Is Blockchain a Game-Changer for Healthcare?.NEWS6: Is Blockchain a Game-Changer for Healthcare?.NEWS7: Is Blockchain a Game-Changer for Healthcare?.NEWS8: Minnesota&apos;s Top 75 Public Companies: The bigger the better.
2018-04-09: NEWS1: Earnings Season For The Dow Challenged By Negative Weekly Charts.NEWS2: We Did The Math USMV Can Go To $58.NEWS3: We Did The Math USMV Can Go To $58.NEWS4: 30,000 Strong and Counting, UnitedHealth Gathers a Doctor Army.
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.

Answer: Rise