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:2021-06-22, Stock:UNH, The news for the past five days is as follows:
2021-06-15: NEWS1: Is UnitedHealth Group (UNH) Outperforming Other Medical Stocks This Year?.NEWS2: UnitedHealth Group Releases 2020 Sustainability Report.
2021-06-16: NEWS1: Is UnitedHealth's Dividend Safe After a 16% Increase?.NEWS2: 3 Stocks to Buy After Recent Changes to Medicare.NEWS3: Rory McIlroy Helps UnitedHealthcare Launch Effort to Encourage Healthier Habits for Americans and Break a GUINNESS WORLD RECORDS™ Title for the Most Pledges Received for a Health Campaign in One Month.NEWS4: FDA ‘shifting the bar’ for approval with new Alzheimer’s drug: Eli Lilly CEO.
2021-06-17: NEWS1: 10 Best Healthcare Stocks to Buy According to Hedge Funds.NEWS2: Save Your Portfolio From Inflation With Four Healthcare Stocks.NEWS3: Supreme Court upholds Obamacare in latest ruling.NEWS4: Humana's (HUM) Unit Unveils Centers for Serving South Louisiana.NEWS5: Amazon's Physical Pharmacy Not a Grave Threat: 3 Stocks to Buy.NEWS6: By next summer we'll have enough vaccines to vaccinate the world: Eli Lilly CEO.NEWS7: Influencers with Andy Serwer: David Ricks.
2021-06-18: NEWS1: 10 Best Dividend Stocks to Buy According to Billionaire David Tepper.NEWS2: The Zacks Analyst Blog Highlights: UnitedHealth, Encompass Health, Select Medical Holdings and DaVita.NEWS3: Obamacare Upheld in Recent Rulings: A Boon for Healthcare.
2021-06-21: NEWS1: This 1 Medical Stock Could Beat Earnings: Why It Should Be on Your Radar.

Answer: Rise