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:2021-04-28, Stock:UNH, The news for the past five days is as follows:
2021-04-21: NEWS1: US STOCKS-S&P 500, Dow snap two-day fall, Netflix keeps Nasdaq in check.NEWS2: Dow Jones Today Flattens, Netflix Drags On Nasdaq, S&P 500; ASML, Intuitive, Edwards Lifesciences Rally.NEWS3: Anthem Posts Mixed Q1 Results but Gives Upbeat Guidance.NEWS4: Dow Jones Today, Nasdaq Slip As Netflix Dives; ASML, Intuitive, Edwards Lifesciences Rally.
2021-04-22: NEWS1: Was The Smart Money Right About Betting On UnitedHealth (UNH)?.NEWS2: Wall Street Roundup: Bullish & Bearish Calls Of The Day.NEWS3: Zacks Market Edge Highlights: Fastenal, UnitedHealth Group, Logitech, Panasonic and QQQM.
2021-04-23: NEWS1: UnitedHealth Group Continues to Display a Healthy Uptrend.NEWS2: 'Mad Money' Lightning Round: UnitedHealth or Oscar Health?.NEWS3: Lightning Round on 'Mad Money': UnitedHealth Group or Oscar Health?.
2021-04-26: NEWS1: United Health Foundation Launches $2.6 Million Partnership with Touro University Nevada to Improve Maternal Health and Reduce Disparities in Underserved Communities.
2021-04-27: NEWS1: If You Invested $1000 in UnitedHealth Group a Decade Ago, This is How Much It'd Be Worth Now.

Answer: Rise