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:2021-10-27, Stock:UNH, The news for the past five days is as follows:
2021-10-20: NEWS1: UnitedHealthcare and UWH of North Carolina to Address Maternal Health Needs With Group Prenatal Care Initiative.NEWS2: Retirement Stock Portfolio: 10 Healthcare Stocks To Consider.
2021-10-21: NEWS1: 11 Safe Stocks To Buy According To Hedge Funds.
2021-10-22: NEWS1: UnitedHealth Group (UNH) is a Top-Ranked Growth Stock: Should You Buy?.NEWS2: Should You Buy This Mega-Cap Health Insurer Now?.
2021-10-25: NEWS1: What Makes UnitedHealth (UNH) a New Buy Stock.NEWS2: Is UnitedHealth Group (UNH) Outperforming Other Medical Stocks This Year?.
2021-10-26: nan

Answer: Decrease