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:2018-03-21, Stock:UNH, The news for the past five days is as follows:
2018-03-14: NEWS1: Health Care Sector Update for 03/14/2018: HLTH,EVHC,SUPN,SBPH.NEWS2: Health Care Sector Update for 03/14/2018: HLTH,EVHC,SUPN,SBPH.NEWS3: Dow Stocks Drop As Boeing, Apple Weigh; Bitcoin Dives To 1-Mo. Low.NEWS4: Health Care Sector Update for 03/14/2018: EVHC, UNH, SUPN, SBPH.NEWS5: Health Care Sector Update for 03/14/2018: EVHC, UNH, SUPN, SBPH.NEWS6: Envision falls on United Healthcare reports.NEWS7: Cigna on Raters' Radar After Express Scripts Bid, Stock Down.NEWS8: Cigna on Raters' Radar After Express Scripts Bid, Stock Down.NEWS9: Why Techs, Banks May Outperform In a Trade War.NEWS10: UnitedHealth Drops Out of Envision Sales Process.NEWS11: Cigna on Raters&apos; Radar After Express Scripts Bid, Stock Down.
2018-03-15: NEWS1: S&P Suffers Longest Losing Streak of 2018 on Mueller Subpoena.NEWS2: S&P Suffers Longest Losing Streak of 2018 on Mueller Subpoena.NEWS3: Markets Now: Here We Go Again.NEWS4: Markets Now: Here We Go Again.NEWS5: Will UnitedHealth Group Incorporated’s (NYSE:UNH) Earnings Grow Over The Next Year?.NEWS6: Today's manufacturing numbers are strong, but Trump won't like the Import and Export Prices report.NEWS7: Psychemedics Corporation (PMD) Ex-Dividend Date Scheduled for March 16, 2018.NEWS8: Psychemedics Corporation (PMD) Ex-Dividend Date Scheduled for March 16, 2018.NEWS9: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
2018-03-16: NEWS1: UnitedHealth may expand 'remote therapy' efforts after promising Minneapolis study.NEWS2: UnitedHealth may expand &apos;remote therapy&apos; efforts after promising Minneapolis study.NEWS3: UnitedHealth Group Drops Out of the Bid to Acquire Envision.NEWS4: UnitedHealth Group’s Dividend Payment of $0.75 Payable March 20.NEWS5: Stock Market News for March 16, 2018.NEWS6: Stock Market News for March 16, 2018.NEWS7: Notable ETF Inflow Detected - VTV, JPM, JNJ, UNH.NEWS8: Notable ETF Inflow Detected - VTV, JPM, JNJ, UNH.NEWS9: Impact of the Leadership Changes at UnitedHealth Group.NEWS10: Stock Market News for March 16, 2018.NEWS11: Dow 30 Stock Roundup: Boeing JV Wins $354M Satellite Contract, Merck&apos;s Keytruda Gets Priority Review.NEWS12: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
2018-03-19: NEWS1: UnitedHealth Group’s Recent Stock Performance.NEWS2: Wall Street Recommendations on UnitedHealth Stock: ‘Strong Buy’.
2018-03-20: NEWS1: Top Research Reports for UnitedHealth, Morgan Stanley & Anheuser-Busch.NEWS2: Top Research Reports for UnitedHealth, Morgan Stanley & Anheuser-Busch.NEWS3: Top Research Reports for UnitedHealth, Morgan Stanley & Anheuser-Busch.NEWS4: 3 Healthcare Stocks Hedge Funds Like the Most.NEWS5: 3 Healthcare Stocks Hedge Funds Like the Most.NEWS6: 3 Healthcare Stocks Hedge Funds Like the Most.

Answer: Decrease