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:2018-10-29, Stock:UNH, The news for the past five days is as follows:
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.
2018-10-24: NEWS1: UnitedHealth Falls 3%.NEWS2: Stock market volatility is back, and history shows these Dow stocks thrive during turbulent times.NEWS3: Duals: A Major Medicaid Opportunity for UNH.NEWS4: New Research: Key Drivers of Growth for UnitedHealth Group, The Wendy's Co., Xenia Hotels & Resorts, TopBuild, Coherus BioSciences, and Virtu Financial — Factors of Influence, Major Initiatives and Sustained Production.NEWS5: Obamacare Set to Gain From Mid-Term Polls: 4 HMO Picks.NEWS6: Obamacare Set to Gain From Mid-Term Polls: 4 HMO Picks.NEWS7: Commercial Business: Risk-Based Membership Grows for UNH.NEWS8: Medicare Advantage: Key Revenue Driver for UNH.NEWS9: Obamacare Set to Gain From Mid-Term Polls: 4 HMO Picks.
2018-10-25: NEWS1: UnitedHealth Rises 3%.NEWS2: Is UnitedHealth Group (UNH) Stock Outpacing Its Medical Peers This Year?.NEWS3: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS4: The Zacks Analyst Blog Highlights: Molina, WellCare, Humana and UnitedHealth.NEWS5: This Market Needs More Fear: Cramer's 'Mad Money' Recap (Thursday 10/18/18).NEWS6: Netflix, IBM and UnitedHealth Group Among Companies Reporting Monday, Tuesday.NEWS7: Google's former head of search products has just joined insurer Anthem to run its A.I. group.
2018-10-26: NEWS1: 7 Major Market Indices and How to Trade Them.NEWS2: 7 Major Market Indices and How to Trade Them.NEWS3: Universal Health (UHS) Q3 Earnings Beat, 2018 View Narrows.NEWS4: Universal Health (UHS) Q3 Earnings Beat, 2018 View Narrows.NEWS5: 7 Major Market Indices and How to Trade Them.

Answer: Decrease