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:2018-12-12, Stock:UNH, The news for the past five days is as follows:
2018-12-04: NEWS1: Ronald Muhlenkamp's Top 5 Positions as of 3rd Quarter.NEWS2: UnitedHealth Falls 3%.NEWS3: The Zacks Analyst Blog Highlights: Anthem, HCA, Dr. Reddy's and UnitedHealth.NEWS4: The Zacks Analyst Blog Highlights: Anthem, HCA, Dr. Reddy's and UnitedHealth.NEWS5: UnitedHealthcare’s uBundle Helps Employers Save on Medical Premiums When Adding Specialty Benefit Plans.NEWS6: The Zacks Analyst Blog Highlights: Anthem, HCA, Dr. Reddy's and UnitedHealth.NEWS7: Detailed Research: Economic Perspectives on The Western Union, Allscripts Healthcare Solutions, Terreno Realty, UnitedHealth Group, LendingClub, and W.P. Carey — What Drives Growth in Today's Competitive Landscape.NEWS8: Optum Earns Acclaim from Frost & Sullivan for Leading the Population Health Management Market with Its Integrated Technology Platforms and Services.
2018-12-06: NEWS1: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS2: UnitedHealth Falls 3%.NEWS3: All 30 Dow stocks fall with Boeing, UnitedHealth and Apple the biggest drags.
2018-12-07: NEWS1: UnitedHealth Falls 3%.NEWS2: 10 Smart Money Stocks to Buy for the Rest of the Year.NEWS3: 10 Smart Money Stocks to Buy for the Rest of the Year.NEWS4: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.NEWS5: UnitedHealth Group (UNH) Dips More Than Broader Markets: What You Should Know.
2018-12-10: NEWS1: UnitedHealth Falls 3%.NEWS2: Has UnitedHealth Group (UNH) Outpaced Other Medical Stocks This Year?.NEWS3: Has UnitedHealth Group (UNH) Outpaced Other Medical Stocks This Year?.NEWS4: Has UnitedHealth Group (UNH) Outpaced Other Medical Stocks This Year?.NEWS5: UnitedHealthcare Expands Navigate4Me to Bring Personalized, Holistic Care to More People.
2018-12-11: NEWS1: Envision reaches deal in long-running dispute with insurance giant.NEWS2: As stocks, bonds and commodities flail, technician says one area of the market is safe.NEWS3: UnitedHealth Is Signaling a Buy.NEWS4: UnitedHealthcare Renews Contract with Envision Healthcare.

Answer: Rise