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:2020-08-21, Stock:UNH, The news for the past five days is as follows:
2020-08-14: NEWS1: UnitedHealth Group Inc. stock rises Friday, outperforms market.NEWS2: UnitedHealth (UNH) Up 4.7% Since Last Earnings Report: Can It Continue?.
2020-08-17: NEWS1: UnitedHealth Group Inc. stock underperforms Monday when compared to competitors.NEWS2: Montgomery (County of) OH -- Moody's assigns Baa1 to Premier Health Partners' (OH) Ser. 2020; outlook negative.
2020-08-18: NEWS1: UnitedHealth Group Inc. stock falls Tuesday, underperforms market.NEWS2: Chevron, JPMorgan Chase share losses contribute to Dow's nearly 75-point fall.NEWS3: Chevron, JPMorgan Chase share losses lead the way, but Dow flat.NEWS4: 5 Companies Reach 52-Week Highs.NEWS5: Healthcare stocks are where you’ll see continued growth: strategist.NEWS6: United Health Foundation Pledges $1.7 Million to Health Care Center for the Homeless to Expand Access to Primary Care in Florida.
2020-08-19: NEWS1: UnitedHealth Group Inc. stock underperforms Wednesday when compared to competitors.NEWS2: BGL Announces the Simultaneous Recapitalizations of Grandview Surgery Center and North East Surgery Center.
2020-08-20: NEWS1: UnitedHealth Group Inc. stock falls Thursday, underperforms market.NEWS2: Morehouse School of Medicine and UnitedHealth Group Collaborate to Help Expand COVID-19 Research and Health Equity for Individuals with Sickle Cell.

Answer: Rise