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:2018-10-12, Stock:UNH, The news for the past five days is as follows:
2018-10-05: NEWS1: How Does UNH’s Valuation Look in October?.NEWS2: UnitedHealth Group Expands Its OptumRx Business with Acquisition.
2018-10-08: NEWS1: IBD Stock Of The Day Forms New Buy Point After 32% Run.NEWS2: Health Action Council Introduces New Consumer Health Support Model through Collaboration with UnitedHealthcare and Optum.NEWS3: See what the IHS Markit Score report has to say about UnitedHealth Group Inc..
2018-10-09: NEWS1: UnitedHealth Group (UNH) Q3 Earnings Preview: What to Know Ahead of the Release.NEWS2: UnitedHealth Group (UNH) Q3 Earnings Preview: What to Know Ahead of the Release.NEWS3: UnitedHealth Group (UNH) Q3 Earnings Preview: What to Know Ahead of the Release.NEWS4: WellCare Health, agilon health to Provide Value-Based Care.NEWS5: WellCare Health, agilon health to Provide Value-Based Care.NEWS6: WellCare Health, agilon health to Provide Value-Based Care.NEWS7: Dow Jones Futures Fall As Yields Hit New High; But Apple, Boeing, UnitedHealth Hold Strong.NEWS8: [$$] A GOP Tax-Law Writer Faces Skeptics in His Minnesota District.
2018-10-10: NEWS1: Top 3 Healthcare Stocks for 2018.NEWS2: UnitedHealth Group’s Q3 2018 Earnings Estimate.NEWS3: Can UnitedHealth Meet Analysts’ Revenue Estimate in Q3 2018?.NEWS4: Analyst Ratings for UnitedHealth before Q3 2018 Earnings.NEWS5: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in California.NEWS6: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Nevada.NEWS7: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Utah.NEWS8: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Nebraska.NEWS9: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Missouri.NEWS10: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Kansas.NEWS11: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Iowa.NEWS12: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Minnesota.NEWS13: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Illinois.NEWS14: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Indiana.NEWS15: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in North Carolina.NEWS16: UnitedHealthcare Expands Fitness Program to Medicare Advantage Plans in Connecticut.NEWS17: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for October 11, 2018.NEWS18: Patterson Companies, Inc. (PDCO) Ex-Dividend Date Scheduled for October 11, 2018.
2018-10-11: NEWS1: All 30 Dow stocks fall ahead of the open.NEWS2: UnitedHealth’s Optum Expectations for Q3 2018.

Answer: Rise