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:2021-10-12, Stock:UNH, The news for the past five days is as follows:
2021-10-05: NEWS1: Centene (CNC) Expands Medicare Advantage Offerings in 36 States.
2021-10-06: NEWS1: Can UnitedHealth (UNH) Keep the Earnings Surprise Streak Alive?.
2021-10-07: NEWS1: SSM Health and Optum Launch Innovative Collaboration to Make Quality Care More Accessible and Affordable.NEWS2: Dow Jones Jumps 400 Points As Stocks Rally On Debt Deal; Breakouts To Watch.NEWS3: UnitedHealth Group (UNH) Earnings Expected to Grow: Should You Buy?.NEWS4: New Health Report Identifies Need to Address Mental and Behavioral Health Among Teens and Children in the U.S..
2021-10-08: NEWS1: UnitedHealth (UNH) Unit Ties Up to Offer Quality Care in Midwest.NEWS2: Teladoc (TDOC) Broadens Accessibility of Primary Care Model.NEWS3: Is UnitedHealth Group (UNH) Stock Outpacing Its Medical Peers This Year?.NEWS4: Is a Surprise Coming for UnitedHealth (UNH) This Earnings Season?.
2021-10-11: NEWS1: Humana's (HUM) 2022 Expansion Plan to Boost MA Customer Base.NEWS2: What's in Store for UnitedHealth's (UNH) Earnings in Q3?.NEWS3: What Lies Ahead for Dow ETFs in Q3 Earnings?.NEWS4: JPMorgan Chase (JPM) Jump-Starts Earnings Season.NEWS5: 5 Large-Cap Stocks Likely to Gain From Q3 Earnings This Week.

Answer: Decrease