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:2019-06-18, Stock:UNH, The news for the past five days is as follows:
2019-06-11: NEWS1: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS2: XLV, JNJ, UNH, DHR: ETF Inflow Alert.NEWS3: XLV, JNJ, UNH, DHR: ETF Inflow Alert.
2019-06-12: NEWS1: Edited Transcript of UNH earnings conference call or presentation 16-Jan-18 1:45pm GMT.NEWS2: ‘I’m simply trying not to die,’ says one advocate as senior Democrats reluctantly give ‘Medicare for All’ more attention.NEWS3: Ex-Dividend Reminder: UnitedHealth Group, Stock Yards Bancorp and Spirit AeroSystems Holdings.NEWS4: Ex-Dividend Reminder: UnitedHealth Group, Stock Yards Bancorp and Spirit AeroSystems Holdings.NEWS5: Insiders Bullish on Certain Holdings of VTV.NEWS6: Insiders Bullish on Certain Holdings of VTV.NEWS7: Owens & Minor, Inc. (OMI) Ex-Dividend Date Scheduled for June 13, 2019.NEWS8: Owens & Minor, Inc. (OMI) Ex-Dividend Date Scheduled for June 13, 2019.NEWS9: UnitedHealthcare Community Plan of Tennessee Awarded NCQA Distinctions.NEWS10: Hospitals' Top Priorities Swing to Growth over Costs for 2019.NEWS11: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS12: 'Fast Money' Traders Share Their Catch-Up Picks.NEWS13: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS14: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.
2019-06-13: NEWS1: SWLRT profile: Who owns what around Southwest Station, Eden Prairie.NEWS2: Can CVS Stock Overcome the Latest Wrench in Its Aetna Merger?.NEWS3: Can CVS Stock Overcome the Latest Wrench in Its Aetna Merger?.NEWS4: Why Should UnitedHealth (UNH) Stock Remain in Your Portfolio.NEWS5: Why Should UnitedHealth (UNH) Stock Remain in Your Portfolio.NEWS6: Can CVS Stock Overcome the Latest Wrench in Its Aetna Merger?.NEWS7: Why Should UnitedHealth (UNH) Stock Remain in Your Portfolio.NEWS8: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for June 14, 2019.NEWS9: UnitedHealth Group Incorporated (UNH) Ex-Dividend Date Scheduled for June 14, 2019.NEWS10: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
2019-06-14: nan
2019-06-17: NEWS1: UnitedHealth Group (UNH) Outpaces Stock Market Gains: What You Should Know.NEWS2: UnitedHealth Group (UNH) Outpaces Stock Market Gains: What You Should Know.NEWS3: UnitedHealth Group (UNH) Outpaces Stock Market Gains: What You Should Know.

Answer: Decrease