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:2019-02-13, Stock:UNH, The news for the past five days is as follows:
2019-02-06: NEWS1: Stocks Slip as Earnings Enthusiasm Fades.NEWS2: Stocks Slip as Earnings Enthusiasm Fades.NEWS3: Market Close Report: NASDAQ Composite index closes at 7,375.28 down -26.80 points.NEWS4: Market Close Report: NASDAQ Composite index closes at 7,375.28 down -26.80 points.NEWS5: Top Ranked Value Stocks to Buy for February 6th.NEWS6: Top Ranked Value Stocks to Buy for February 6th.NEWS7: Top Ranked Value Stocks to Buy for February 6th.NEWS8: UnitedHealth Group Incorporated (NYSE:UNH): The Best Of Both Worlds.
2019-02-07: NEWS1: Top Ranked Value Stocks to Buy for February 7th.NEWS2: Top Ranked Value Stocks to Buy for February 7th.NEWS3: UnitedHealthcare Confronts the Opioid Epidemic by Introducing Oral Health Programs and Policies.NEWS4: Top Ranked Value Stocks to Buy for February 7th.
2019-02-08: NEWS1: Market Close Report: NASDAQ Composite index closes at 7,298.20 up 9.85 points.NEWS2: Market Close Report: NASDAQ Composite index closes at 7,298.20 up 9.85 points.NEWS3: Dow Jones Today: UnitedHealth, Intel Lead Blue Chips Lower; Merck Sets Up.NEWS4: Dow Movers: UNH, MRK.NEWS5: Dow Movers: UNH, MRK.NEWS6: SPY, BRK.B, UNH, CVX: Large Outflows Detected at ETF.NEWS7: SPY, BRK.B, UNH, CVX: Large Outflows Detected at ETF.NEWS8: UnitedHealth Falls 3%.NEWS9: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
2019-02-11: NEWS1: UnitedHealth Group (UNH) Shares Cross Below 200 DMA.NEWS2: UnitedHealth Group (UNH) Shares Cross Below 200 DMA.NEWS3: Top Ranked Value Stocks to Buy for February 11th.NEWS4: Top Ranked Value Stocks to Buy for February 11th.NEWS5: Dow Movers: UNH, NKE.NEWS6: Dow Movers: UNH, NKE.NEWS7: Dow turns negative in morning trade as declines in Disney, UnitedHealth stocks weigh.NEWS8: Top Ranked Value Stocks to Buy for February 11th.
2019-02-12: NEWS1: UnitedHealth Group Inc (UNH) Files 10-K for the Fiscal Year Ended on December 31, 2018.NEWS2: Buy UnitedHealth? Sell General Dynamics for Boeing? The traders take your questions.NEWS3: Stock Market News For Feb 12, 2019.

Answer: Rise