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:2019-05-13, Stock:UNH, The news for the past five days is as follows:
2019-05-06: NEWS1: Jim Cramer: Days Like Today Are When You Break Out Your List and Buy Domestic.NEWS2: Dow Recoups on China Trade Reports.NEWS3: Dow Recoups on China Trade Reports.NEWS4: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS5: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS6: Market Close Report: NASDAQ Composite index closes at 8,123.29 down -40.71 points.NEWS7: Market Close Report: NASDAQ Composite index closes at 8,123.29 down -40.71 points.NEWS8: ‘Medicare for All’ Will Hit Pharma Stocks, Not Insurers, Investor Says at Sohn.NEWS9: Market Recap for Monday, May 6.NEWS10: UnitedHealth's stock surges to pace Dow gainers; CEO spent more than $900,000 to buy company stock.NEWS11: UnitedHealth&apos;s stock surges to pace Dow gainers; CEO spent more than $900,000 to buy company stock.NEWS12: Glenview’s Larry Robbins says he’s shorting 3M shares, likes healthcare stocks -Sohn.NEWS13: 7 Stocks to Buy From the T. Rowe Price Health Sciences Fund.NEWS14: Monday 5/6 Insider Buying Report: BIIB, UNH.NEWS15: Monday 5/6 Insider Buying Report: BIIB, UNH.NEWS16: Unitedhealth Group Inc (UNH) CEO David S Wichmann Bought $4.6 million of Shares.NEWS17: Notable Insider Buys This Past Week: ADM, Biogen, Grubhub and More.NEWS18: Former Vanguard CEO Bill McNabb Loaded Up on UnitedHealth Stock.
2019-05-07: NEWS1: Why the politically fueled health care stock crash may be over for now.NEWS2: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS3: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS4: UnitedHealth's David Wichmann buys record $4.6 million worth of UNH stock.NEWS5: Analysts Raise Price Targets On GW Pharma's Positive Earnings, Epidiolex Results.NEWS6: Invesco Defensive Equity ETF -- Insider Buying Index Registering 10.1%.NEWS7: Invesco Defensive Equity ETF -- Insider Buying Index Registering 10.1%.NEWS8: Dow Movers: GS, MCD.NEWS9: Dow Movers: GS, MCD.NEWS10: Ensign Group (ENSG) Q1 Earnings Beat Estimates, Rise Y/Y.NEWS11: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..NEWS12: UnitedHealth CEO David Wichmann Is Loading Up on the Stock.
2019-05-08: NEWS1: 2 Healthcare Innovators To Buy Now.NEWS2: 2 Healthcare Innovators To Buy Now.NEWS3: 2 Healthcare Innovators To Buy Now.NEWS4: Jeff Auxier Comments on UnitedHealth Group.NEWS5: Jeff Auxier's 1st Quarter Auxier Focus Fund Shareholder Letter.NEWS6: DIA, BA, UNH, GS: ETF Inflow Alert.NEWS7: DIA, BA, UNH, GS: ETF Inflow Alert.NEWS8: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 5/8/2019.NEWS9: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 5/8/2019.
2019-05-09: NEWS1: The upsides to the end of the Highmark-UPMC consent decree.NEWS2: Health care debate hobbles stock in drugmakers, insurers.NEWS3: UnitedHealthcare Helps Support Moms' and Babies' Health Before and After Delivery with New Bundled Payment Program for Maternity Care.NEWS4: UnitedHealth moves to bundle maternity care.NEWS5: UnitedHealthcare aims to cut maternity care costs with new program.
2019-05-10: NEWS1: Ready to recover? 3 health care trades.NEWS2: Here's why Citigroup says these health care names are ready for a recovery.NEWS3: Look to Healthcare ETFs for Stability in a Shaky Market.NEWS4: Anthem, Centene, and UnitedHealth Stock Are Now Buys, Citigroup Says.NEWS5: These two Dow stocks could provide shelter in a volatile market.

Answer: Decrease