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:2020-10-27, Stock:UNH, The news for the past five days is as follows:
2020-10-20: NEWS1: UnitedHealth Group and University of California San Diego Teaming to Help Grow and Diversify State’s Mental Health Workforce.NEWS2: New Partnership with University of California, San Francisco, Will Help Grow and Diversify State’s Mental Health Workforce.NEWS3: Were Hedge Funds Right About UnitedHealth Group Inc. (UNH)?.NEWS4: UnitedHealth (UNH) Up 33% in a Year: What's Aiding the Stock?.
2020-10-21: NEWS1: Open enrollment begins Nov. 1st, here's what you need to know.
2020-10-22: NEWS1: Should We Be Excited About The Trends Of Returns At UnitedHealth Group (NYSE:UNH)?.NEWS2: United Health Foundation Partners With Family First Health of Pennsylvania to Improve Access to Care for Children and Families.
2020-10-23: NEWS1: Dow Jones Leads Market Declines As Intel, American Express Fall On Earnings.NEWS2: Why GoodRx Stock Is Now a Screaming ‘BUY’.NEWS3: Dow Jones Down 150 Points As Stock Market Reverses On Stimulus Deal Concerns.
2020-10-26: nan

Answer: Decrease