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:2018-10-04, Stock:UNH, The news for the past five days is as follows:
2018-09-27: NEWS1: UnitedHealth Purchases Pharmacy Genoa Healthcare From Advent.NEWS2: Notable Thursday Option Activity: PVH, UNM, UNH.NEWS3: Notable Thursday Option Activity: PVH, UNM, UNH.
2018-09-28: NEWS1: UnitedHealth Group (UNH) Stock Moves 0.53%: What You Should Know.NEWS2: UnitedHealth Group (UNH) Stock Moves 0.53%: What You Should Know.NEWS3: UnitedHealth Group (UNH) Stock Moves 0.53%: What You Should Know.NEWS4: Rensselaer Polytechnic Institute, United Health Foundation Launch $1.1 Million Partnership to Train Next Generation of Health Data Experts.NEWS5: UnitedHealth snaps up pharmacy chain Genoa for $2.5B.NEWS6: 4 Health Insurance Stocks Poised for Earnings Beat in Q3.NEWS7: 4 Health Insurance Stocks Poised for Earnings Beat in Q3.
2018-10-01: NEWS1: WellCare Health's (WCG) Buyout to Expand Medicare Business.NEWS2: WellCare Health's (WCG) Buyout to Expand Medicare Business.NEWS3: DaVita unit to pay $270 million to resolve Medicare payments probe.NEWS4: UnitedHealthcare’s 2019 Medicare Plans Offer Stability and Value.NEWS5: Insurers shun state health care website in Florida.
2018-10-02: NEWS1: Health coverage rates will rise for most small businesses next year; UnitedHealthcare enters market.NEWS2: Thousands of People’s Insurance Appeals Went to a Doctor Feds Say Is a Fraud.NEWS3: Thousands of People’s Insurance Appeals Went to a Doctor Feds Say Is a Fraud.
2018-10-03: NEWS1: Chartmaster says it's time to fade one of this year's bes....NEWS2: MEDNAX Buys Radiology Specialists to Expand Business.NEWS3: MEDNAX Buys Radiology Specialists to Expand Business.NEWS4: MEDNAX Buys Radiology Specialists to Expand Business.NEWS5: 5 Top Stocks to Buy in October.NEWS6: 5 Top Stocks to Buy in October.NEWS7: 5 Top Stocks to Buy in October.NEWS8: Quest Diagnostics Incorporated (DGX) Ex-Dividend Date Scheduled for October 04, 2018.NEWS9: Quest Diagnostics Incorporated (DGX) Ex-Dividend Date Scheduled for October 04, 2018.

Answer: Decrease