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:2021-08-09, Stock:UNH, The news for the past five days is as follows:
2021-08-02: nan
2021-08-03: NEWS1: DoJ considering lawsuit to block UnitedHealth bid for Change Healthcare - The Information.
2021-08-04: NEWS1: UnitedHealthcare and Tennessee Initiative for Perinatal Quality Care Focus on Health Equity in Maternal Health Outcomes.NEWS2: UnitedHealth Group Named Best Place to Work for Disability Inclusion for Second Year.
2021-08-05: NEWS1: Cigna (CI) Q2 Earnings Beat on Revenue Growth But Shares Fall.NEWS2: 3 Dividend Stocks That Could Double Their Payouts in 5 Years.
2021-08-06: nan

Answer: Decrease