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:2018-12-11, Stock:UNH, The news for the past five days is as follows:
2018-12-03: NEWS1: Healthcare Takes Wall Street Lead: 4 Picks.NEWS2: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for December 04, 2018.NEWS3: Anthem, Inc. (ANTM) Ex-Dividend Date Scheduled for December 04, 2018.NEWS4: The Zacks Analyst Blog Highlights: General Motors, Boeing, Microsoft, Merck and UnitedHealth.NEWS5: The Zacks Analyst Blog Highlights: General Motors, Boeing, Microsoft, Merck and UnitedHealth.NEWS6: Aetna and Ascension Join Five Other Leading Health Care Companies in Blockchain-Driven Effort to Address Health Care Provider Data Issues.NEWS7: The Zacks Analyst Blog Highlights: General Motors, Boeing, Microsoft, Merck and UnitedHealth.NEWS8: United Health Group Stock Has Risen 28% in 2018.
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.

Answer: Rise