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:2019-02-28, Stock:UNH, The news for the past five days is as follows:
2019-02-21: NEWS1: Community Health (CYH) Q4 Loss Wider Than Expected, Down Y/Y.NEWS2: Community Health (CYH) Q4 Loss Wider Than Expected, Down Y/Y.NEWS3: Community Health (CYH) Q4 Loss Wider Than Expected, Down Y/Y.NEWS4: In milestone, UnitedHealth gets HMO license in Minnesota.NEWS5: UnitedHealth Group (UNH) Stock Sinks As Market Gains: What You Should Know.NEWS6: UnitedHealth Group (UNH) Stock Sinks As Market Gains: What You Should Know.
2019-02-22: NEWS1: Mass. judge sides with Amazon-backed startup in Optum lawsuit over employee.NEWS2: UnitedHealth loses bid to block exec from joining Amazon/Berkshire/JPMorgan health care venture.NEWS3: Analyst Favorites With Strong Buyback Activity: Voya Financial Ranks As a Top Pick.NEWS4: Analyst Favorites With Strong Buyback Activity: Voya Financial Ranks As a Top Pick.NEWS5: [$$] UnitedHealth Employee Cleared to Join Health Venture of Amazon, Berkshire, JPMorgan.NEWS6: U.S. judge will not block Amazon-Berkshire-JPMorgan health venture's new hire.NEWS7: U.S. judge will not block Amazon-Berkshire-JPMorgan health venture's new hire.NEWS8: Investor Expectations to Drive Momentum within Verastem, Molson Coors Brewing, SL Green Realty, UnitedHealth Group, TechTarget, and Icahn Enterprises — Discovering Underlying Factors of Influence.
2019-02-25: NEWS1: Top Ranked Value Stocks to Buy for February 25th.NEWS2: Top Ranked Value Stocks to Buy for February 25th.NEWS3: Top Ranked Value Stocks to Buy for February 25th.
2019-02-26: NEWS1: 3 Big Stock Charts for Tuesday: American International, Invesco and UnitedHealth.NEWS2: 3 Big Stock Charts for Tuesday: American International, Invesco and UnitedHealth.NEWS3: Tenet Healthcare (THC) Q4 Earnings Beat Estimates, Down Y/Y.NEWS4: Tenet Healthcare (THC) Q4 Earnings Beat Estimates, Down Y/Y.NEWS5: Tenet Healthcare (THC) Q4 Earnings Beat Estimates, Down Y/Y.NEWS6: 3 Big Stock Charts for Tuesday: American International, Invesco and UnitedHealth.
2019-02-27: NEWS1: Dow, S&P Dip as D.C. Drama Grips Wall Street.NEWS2: Dow, S&P Dip as D.C. Drama Grips Wall Street.NEWS3: Daily Dividend Report: TMO, BBY, ALB, HOG, UNH.NEWS4: Daily Dividend Report: TMO, BBY, ALB, HOG, UNH.NEWS5: Market Close Report: NASDAQ Composite index closes at 7,554.51 up 5.21 points.NEWS6: Market Close Report: NASDAQ Composite index closes at 7,554.51 up 5.21 points.NEWS7: S&P 500 Shows This Solid Action; This Dow Jones Stock Triggers 2 Key Sell Signals.NEWS8: Medicare For All Fears Sink Managed Care Stocks; CVS Hits 5-Year Low.NEWS9: UnitedHealth Group Could Fall Further - Defense Coming Onto the Field.NEWS10: Nasdaq Goes Positive As Earnings Fuel Big Gains In Stocks Today.NEWS11: Noteworthy Wednesday Option Activity: BHF, UNH, MMM.NEWS12: Noteworthy Wednesday Option Activity: BHF, UNH, MMM.NEWS13: Mid-Day Update: Trade Headlines Rattle Wall Street.NEWS14: Mid-Day Update: Trade Headlines Rattle Wall Street.NEWS15: Top Ranked Value Stocks to Buy for February 27th.NEWS16: Top Ranked Value Stocks to Buy for February 27th.NEWS17: Dow Movers: HD, BA.NEWS18: Dow Movers: HD, BA.NEWS19: iShares Russell 1000 ETF Experiences Big Inflow.NEWS20: iShares Russell 1000 ETF Experiences Big Inflow.NEWS21: Here's Why You Should Add Ensign Group to Your Portfolio Now.NEWS22: Here's Why You Should Add Ensign Group to Your Portfolio Now.NEWS23: Top Ranked Value Stocks to Buy for February 27th.NEWS24: Rite Aid Stock Sits Below a Buck As Investors Search for a Pulse.NEWS25: Rite Aid Stock Sits Below a Buck As Investors Search for a Pulse.NEWS26: Here's Why You Should Add Ensign Group to Your Portfolio Now.NEWS27: MarketPulse: Mylan Bleeds After Q4 Results, Guidance Fall Short.NEWS28: Comparing Gundlach’s and Buffett’s Views on Stock Buybacks.NEWS29: UnitedHealth Group Board Authorizes Payment of Quarterly Dividend to Shareholders.NEWS30: UnitedHealth Falls 4%.NEWS31: Rite Aid Stock Sits Below a Buck As Investors Search for a Pulse.

Answer: Decrease