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:2021-02-25, Stock:UNH, The news for the past five days is as follows:
2021-02-18: NEWS1: Is UnitedHealth Group (UNH) Stock a Buy For 2021?.
2021-02-19: nan
2021-02-22: nan
2021-02-23: nan
2021-02-24: NEWS1: Vericel (VCEL) Q4 2020 Earnings Call Transcript.NEWS2: UnitedHealthcare Children's Foundation Awards 25,000th Grant.NEWS3: UnitedHealth Group Board Authorizes Payment of Quarterly Dividend.NEWS4: UnitedHealth Group (NYSE:UNH) Has Gifted Shareholders With A Fantastic 193% Total Return On Their Investment.

Answer: Decrease