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:2018-11-12, Stock:UNH, The news for the past five days is as follows:
2018-11-05: NEWS1: 2 'Buy-Rated' Health Insurance Stocks Winning Over Analysts.NEWS2: 2 'Buy-Rated' Health Insurance Stocks Winning Over Analysts.
2018-11-06: 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.NEWS4: What Do Warren Buffett, Walgreens And Starbucks Have In Common?.NEWS5: All Mixed Up to Start a Big Week for the Market.NEWS6: All Mixed Up to Start a Big Week for the Market.NEWS7: All Mixed Up to Start a Big Week for the Market.NEWS8: 5 Stocks That Stand Out on Attractive Interest Coverage Ratio.NEWS9: 5 Stocks That Stand Out on Attractive Interest Coverage Ratio.NEWS10: 5 Stocks That Stand Out on Attractive Interest Coverage Ratio.
2018-11-07: NEWS1: Cramer on Washington gridlock: Buy fast growers.NEWS2: Cramer's advice on investing during Washington gridlock: ....NEWS3: Dow Jumps 545 Points After Midterms.NEWS4: Dow Jumps 545 Points After Midterms.NEWS5: UnitedHealth and Etsy jump while Kors and Coty slip.NEWS6: Dow Soars 545 Points As Midterm Election Brings Relief For Wall Street.NEWS7: These 5 Dow Jones Stocks Just Made This Bullish Move.NEWS8: Humana Hits Buy Point On Earnings; Election Results Send Health Insurers Soaring.NEWS9: 7 Healthcare Stocks Soaring on Election Results.NEWS10: Notable Wednesday Option Activity: GS, UPS, UNH.NEWS11: Notable Wednesday Option Activity: GS, UPS, UNH.NEWS12: Stock News Today: FANG Stocks Amazon, Netflix Power Nasdaq Higher.NEWS13: Health care wins and stocks rally as Democrats take control of the US House.NEWS14: Dow Movers: BA, UNH.NEWS15: Dow Movers: BA, UNH.NEWS16: UnitedHealth Rises 4%.NEWS17: Humana's (HUM) Q3 Earnings Beat Estimates, Improve Y/Y.NEWS18: Humana's (HUM) Q3 Earnings Beat Estimates, Improve Y/Y.NEWS19: Zacks.com highlights: BJ's Restaurants, CBRE Group, Dave & Buster's Entertainment, UnitedHealth Group and O'Reilly Automotive.NEWS20: Zacks.com highlights: BJ's Restaurants, CBRE Group, Dave & Buster's Entertainment, UnitedHealth Group and O'Reilly Automotive.NEWS21: Stocks Rally On Election Results: Prop 8 Fail Boosts DaVita.NEWS22: Zacks.com highlights: BJ&apos;s Restaurants, CBRE Group, Dave & Buster&apos;s Entertainment, UnitedHealth Group and O&apos;Reilly Automotive.NEWS23: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
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.

Answer: Decrease