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:2021-02-05, Stock:UNH, The news for the past five days is as follows:
2021-01-29: NEWS1: Oklahoma Health Care Authority Chooses UnitedHealthcare to Serve its Medicaid Beneficiaries.NEWS2: Boykin Curry’s Eagle Capital’s Top 10 Stock Picks.
2021-02-01: nan
2021-02-02: NEWS1: 5 Reasons to Buy Clover Health Stock Right Now.
2021-02-03: nan
2021-02-04: NEWS1: UnitedHealth Says CEO Is Leaving, Sending Shares Down.NEWS2: UnitedHealth Elevates President Andrew Witty to CEO.NEWS3: Merck Announces New CEO, But Reports Earnings Miss.NEWS4: Forget WallStreetBets and the Short Sellers: 3 Stocks You Can Buy and Hold for Decades.NEWS5: UnitedHealth Group Announces Executive Leadership Actions.NEWS6: UnitedHealth picks ex-Glaxo head Witty as new chief executive.

Answer: Decrease