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:2018-10-24, Stock:UNH, The news for the past five days is as follows:
2018-10-17: NEWS1: US stocks drop after Fed releases minutes.NEWS2: 5 Hot-Running Health Insurance Stocks to Buy.NEWS3: 5 Hot-Running Health Insurance Stocks to Buy.NEWS4: UnitedHealth Has Made a Long Rise, but an EKG of the Indicators Gives Us Pause.NEWS5: Today's Research Reports on Trending Tickers: UnitedHealth and Centene.NEWS6: Validea Martin Zweig Strategy Daily Upgrade Report - 10/17/2018.NEWS7: Validea Martin Zweig Strategy Daily Upgrade Report - 10/17/2018.NEWS8: Asian shares climb on strong US corporate earnings, data.NEWS9: Asian shares climb on strong US corporate earnings, data.NEWS10: The Sky's the Limit for UnitedHealth.NEWS11: The Sky's the Limit for UnitedHealth.NEWS12: Edited Transcript of UNH earnings conference call or presentation 16-Oct-18 12:45pm GMT.NEWS13: The Sky&apos;s the Limit for UnitedHealth.
2018-10-18: NEWS1: Cramer: Use the sell-off to start 'nibbling' at stocks of....NEWS2: Use sell-off to 'nibble' at stocks of high-quality compan....NEWS3: Cramer: Use the sell-off to start 'nibbling' at stocks of high-quality companies like Citigroup.NEWS4: Top-Ranked Healthcare ETFs for Long-Term Investors.NEWS5: Top-Ranked Healthcare ETFs for Long-Term Investors.NEWS6: Dow sinks more than 400 points as selloff intensifies.NEWS7: Trade of the Day: UnitedHealth Stock Is a Year-End Outperformer.NEWS8: Trade of the Day: UnitedHealth Stock Is a Year-End Outperformer.NEWS9: Dow stocks Pfizer and UnitedHealth could be safety plays amid market volatility.NEWS10: Stock Market News For Oct 18, 2018.NEWS11: Dow Jones Futures: 3 Reasons To Stay In Cash As Bulls, Bears Battle For Stock Market Control.NEWS12: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS13: Trade of the Day: UnitedHealth Stock Is a Year-End Outperformer.
2018-10-19: NEWS1: IBD Stock Of The Day Cigna Nears Buy Point After Fighting Off Merger Doubts.NEWS2: What's Behind UnitedHealth Group's Q3 Earnings Success.NEWS3: What's Behind UnitedHealth Group's Q3 Earnings Success.NEWS4: 2 Dow Safety Stock for Volatile Market: Portfolio Manager.NEWS5: What&apos;s Behind UnitedHealth Group&apos;s Q3 Earnings Success.NEWS6: Can UnitedHealth Group and Johnson & Johnson Continue Their Winning Ways?.NEWS7: Can UnitedHealth Group and Johnson & Johnson Continue Their Winning Ways?.NEWS8: Can UnitedHealth Group and Johnson & Johnson Continue Their Winning Ways?.
2018-10-22: NEWS1: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS2: Markets Right Now: Banks lead US indexes lower; tech gains.NEWS3: Notable ETF Inflow Detected - SPLG, PFE, UNH, C.NEWS4: Notable ETF Inflow Detected - SPLG, PFE, UNH, C.NEWS5: Markets Right Now: Stocks turn mostly lower at midday.NEWS6: Aetna Inc. (AET) Ex-Dividend Date Scheduled for October 23, 2018.NEWS7: Aetna Inc. (AET) Ex-Dividend Date Scheduled for October 23, 2018.
2018-10-23: NEWS1: The fear gauge and strong earnings tell Jim Cramer this bottom in the stock market may be real.NEWS2: Top-Rated Stock Sinks, Loses Base After Giving Mixed Guidance.NEWS3: Quest Diagnostics Inc (DGX) Q3 2018 Earnings Conference Call Transcript.NEWS4: UnitedHealthcare’s Year-to-Date Performance.NEWS5: Play UnitedHealth&apos;s Q3 Earnings Beat With These 3 Funds.NEWS6: NASDAQ Rises to Start Busy Week for Tech.NEWS7: UnitedHealth Group’s Guidance for Fiscal 2018.NEWS8: Dow Jones Futures Tumble: Why This Stock Market Correction Is More Dangerous Than A Bear Market.NEWS9: UnitedHealth Group’s Stock Price Movement in October.NEWS10: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS11: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.

Answer: Decrease