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:2021-12-13, Stock:UNH, The news for the past five days is as follows:
2021-12-06: NEWS1: Is UnitedHealth Group Inc. (UNH) A Good Stock To Buy?.NEWS2: UnitedHealth Group's Charts Continue to Point Higher.NEWS3: Cigna (CI) Offers MA Plans in Florida, Boosts Provider Network (Revised).
2021-12-07: NEWS1: UnitedHealth Group (UNH) Gains But Lags Market: What You Should Know.NEWS2: America’s Health Rankings 2021 Annual Report Illustrates Complex Picture of America’s Health.NEWS3: Reynolds Funds Inc Buys Costco Wholesale Corp, The Home Depot Inc, Visa Inc, Sells Alibaba ....
2021-12-08: NEWS1: Americafirst Quantitative Funds Buys iShares 7-10 Year Treasury Bond ETF, iShares 10-20 Year ....NEWS2: 10 Pharmaceutical Stocks to Buy According to Efrem Kamen’s Pura Vida Investments.NEWS3: SoftBank Vision Fund 2 Backs Cerebral at $4.8 Billion Valuation.
2021-12-09: NEWS1: Legg Mason Partners Variable Equity Trust Buys UnitedHealth Group Inc, Cisco Systems Inc, Sells ....NEWS2: AM Best Upgrades Credit Ratings for Most UnitedHealth Group Incorporated Life/Health Subsidiaries.NEWS3: Why Oscar Health Could Have 10,000% Upside.
2021-12-10: NEWS1: UnitedHealth's (UNH) Arms Receive Rating Actions From AM Best.NEWS2: Top Analyst Reports for UnitedHealth, Procter & Gamble & CVS.NEWS3: 4 Stocks That Could Be Worth $1 Trillion by 2035.NEWS4: NVIT BNY Mellon Dynamic U.S. Equity Income Fund Buys Willis Towers Watson PLC, UnitedHealth ....NEWS5: NVIT BlackRock Equity Dividend Fund Buys Rogers Communications Inc, Komatsu, Analog Devices ....

Answer: Decrease