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:2018-10-31, Stock:UNH, The news for the past five days is as follows:
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.
2018-10-29: NEWS1: UnitedHealth Group (UNH) Stock Moves -0.6%: What You Should Know.NEWS2: Top Analyst Reports for Johnson & Johnson, UnitedHealth, AT&T & Intel.NEWS3: Top Analyst Reports for Johnson & Johnson, UnitedHealth, AT&T & Intel.NEWS4: Top Analyst Reports for Johnson & Johnson, UnitedHealth, AT&T & Intel.NEWS5: The bigger message behind Amgen’s decision to slash cost of its Repatha cholesterol drug.NEWS6: UnitedHealthcare’s New My ScriptRewards Enables People to Share Cost Savings on Select Medications.NEWS7: Here's Why UnitedHealth Should Have Already Been in My Portfolio.NEWS8: 2 Plays on UnitedHealth Amid the Market Wreckage: Market Recon.
2018-10-30: NEWS1: After short tenure as UnitedHealthcare&apos;s chief medical officer, Pronovost takes job at Cleveland health system.NEWS2: HCA Healthcare's (HCA) Q3 Earnings Beat Estimates, Up Y/Y.NEWS3: HCA Healthcare's (HCA) Q3 Earnings Beat Estimates, Up Y/Y.NEWS4: OEF, PFE, UNH, C: Large Inflows Detected at ETF.NEWS5: OEF, PFE, UNH, C: Large Inflows Detected at ETF.NEWS6: Dow Movers: PFE, INTC.NEWS7: Dow Movers: PFE, INTC.NEWS8: Aetna (AET) Q3 Earnings Beat Estimates, Membership Increases.NEWS9: The Zacks Analyst Blog Highlights: Johnson & Johnson, UnitedHealth, AT&T and Intel.NEWS10: The Zacks Analyst Blog Highlights: Johnson & Johnson, UnitedHealth, AT&T and Intel.NEWS11: The Zacks Analyst Blog Highlights: Johnson & Johnson, UnitedHealth, AT&T and Intel.

Answer: Rise