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:2018-11-15, Stock:UNH, The news for the past five days is as follows:
2018-11-08: NEWS1: The List: Corporate board pay climbing? Not in Minnesota — at least not this year.NEWS2: Jeff Auxier Comments on Quest Diagnostics.NEWS3: Pathways and United Health Foundation Launch Partnership to Improve Mental Health Care In Eastern Kentucky.NEWS4: Stock Market News For Nov 8, 2018.NEWS5: Stock Market News For Nov 8, 2018.NEWS6: Midterm Elections Put These Health Insurers in Focus.NEWS7: Midterm Elections Put These Health Insurers in Focus.NEWS8: Stock Market News For Nov 8, 2018.NEWS9: UnitedHealth (UNH) Soars to 52-Week High, Time to Cash Out?.NEWS10: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS11: House Divided: Cramer's 'Mad Money' Recap (Wednesday 11/7/18).NEWS12: Hedge Funds Are Buying UnitedHealth Group Inc. (UNH).
2018-11-09: NEWS1: UnitedHealth exec&apos;s husband made insider trades after eavesdropping on wife, SEC alleges.NEWS2: The Zacks Analyst Blog Highlights: UnitedHealth Group, Anthem and Humana.NEWS3: The Zacks Analyst Blog Highlights: UnitedHealth Group, Anthem and Humana.NEWS4: Reboot of Obamacare Energizes Health Insurers.NEWS5: The Zacks Analyst Blog Highlights: UnitedHealth Group, Anthem and Humana.NEWS6: UnitedHealth Group Board Authorizes Payment of Quarterly Dividend to Shareholders.
2018-11-12: NEWS1: UnitedHealth Group (UNH) Stock Moves -1.51%: What You Should Know.NEWS2: What Do Warren Buffett, Walgreens And Starbucks Have In Common?.NEWS3: Dow Analyst Moves: UNH.NEWS4: Dow Analyst Moves: UNH.NEWS5: Stock Market Power Rankings: Last Call for Facebook.NEWS6: Stock Market Power Rankings: Last Call for Facebook.NEWS7: Stock Market Power Rankings: Last Call for Facebook.
2018-11-13: NEWS1: Minnesota man to pay $140K for snooping, insider trading.NEWS2: Is UnitedHealth Group (UNH) Stock Outpacing Its Medical Peers This Year?.NEWS3: Is UnitedHealth Group (UNH) Stock Outpacing Its Medical Peers This Year?.NEWS4: Is UnitedHealth Group (UNH) Stock Outpacing Its Medical Peers This Year?.NEWS5: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS6: UnitedHealth Group (UNH) Stock Moves -1.51%: What You Should Know.NEWS7: UnitedHealth Group (UNH) Stock Moves -1.51%: What You Should Know.
2018-11-14: NEWS1: UnitedHealthcare offers up (nearly) free Apple Watch devices as part of wellness program.NEWS2: Dow Movers: UNH, NKE.NEWS3: Dow Movers: UNH, NKE.NEWS4: Scholarship Program Encourages North Dakota Native American College Students to Seek Careers in the Mental Health Field.NEWS5: UnitedHealth offers free Apple Watch to customers who rea....NEWS6: A giant insurer is offering free Apple Watches to customers who meet walking goals.NEWS7: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..

Answer: Decrease