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:2020-09-15, Stock:UNH, The news for the past five days is as follows:
2020-09-08: NEWS1: UnitedHealth Group Inc. stock falls Tuesday, still outperforms market.NEWS2: World-Champion Gymnast Aly Raisman Partners with Sanvello to Advance Mental Health Solutions.
2020-09-09: NEWS1: UnitedHealth Group (UNH) Gains But Lags Market: What You Should Know.NEWS2: UnitedHealth Group Inc. stock rises Wednesday, still underperforms market.NEWS3: Top Stock Reports for Alphabet, UnitedHealth & AbbVie.
2020-09-10: NEWS1: Dow drops nearly 425 points on losses for Apple Inc., Microsoft stocks.NEWS2: The Zacks Analyst Blog Highlights: Alphabet, UnitedHealth, AbbVie, Adobe Systems and Anheuser-Busch.NEWS3: Caterpillar, UnitedHealth share losses lead Dow's 133-point drop.NEWS4: UnitedHealthcare and Sesame Workshop Team up to Help Families Grow in Healthy Ways.NEWS5: UnitedHealthcare and Canopy Health Introduce Health Plan Delivering Lower Costs and a Patient-Focused Health Care Experience.NEWS6: Postal Service changes have significantly delayed prescription drugs, report finds.
2020-09-11: NEWS1: UnitedHealthcare and Optum Take Action to Support People Affected by Ongoing Wildfires in Western States.NEWS2: Dow down 39 points on losses in Salesforce.com Inc., Apple Inc. stocks.NEWS3: UnitedHealthcare, Canopy Health Come Up With New Health Plan.
2020-09-14: NEWS1: Olympic gold medalist Aly Raisman on partnership to increase mental health awareness for athletes.NEWS2: Dow's nearly 350-point rally highlighted by gains for shares of American Express, Microsoft.

Answer: Decrease