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:2018-01-23, Stock:COST, The news for the past five days is as follows:
2018-01-16: NEWS1: Why Did Best Buy, Costco, and Wal-Mart Stock Make Gains in 2017?.NEWS2: Retail Sales Rise Again: A Sector to Bet On in '18?.NEWS3: What Are The Implications Of Wal-Mart's Sam's Club Closures?.NEWS4: Why Did Best Buy, Costco, and Wal-Mart Stock Make Gains in 2017?.NEWS5: Retail Sales Rise Again: A Sector to Bet On in &apos;18?.NEWS6: XLP, WMT, COST, CVS: Large Outflows Detected at ETF.NEWS7: Canadian Costco pharmacists fined for seeking illegal rebates.NEWS8: Why Wal-Mart Is Closing 63 Sam's Club Stores.NEWS9: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS10: Boxed: Will Kroger Acquire the Online Wholesaler?.NEWS11: Why Wal-Mart Is Closing 63 Sam&apos;s Club Stores.
2018-01-17: NEWS1: Unpacking Holiday Results for Major Retailers.NEWS2: The 7 Best S&P 500 Value Stocks to Buy Now.NEWS3: Cities are going above and beyond to lure Amazon.NEWS4: Top Gainers in the Consumer Sector on January 8–12.NEWS5: The Zacks Analyst Blog Highlights: Amazon.com, Wal-Mart, Costco, Target and Macy's.NEWS6: The Zacks Analyst Blog Highlights: Amazon.com, Wal-Mart, Costco, Target and Macy&apos;s.
2018-01-18: NEWS1: Wage Increases Are Good for Wal-Mart Stores Inc Stock.NEWS2: 3 Discount Retailers That Cashed In on Holiday Season.NEWS3: 3 Discount Retailers That Cashed In on Holiday Season.NEWS4: American Express Kicks Off Credit Card Earnings Reports.NEWS5: Wage Increases Are Good for Wal-Mart Stores Inc Stock.NEWS6: Why 2017 was a Year to Remember for Visa Inc..NEWS7: Larry Summers says sugar, cigarette taxes aren’t evidence of a ‘nanny state’.NEWS8: Why 2017 was a Year to Remember for Visa Inc..NEWS9: Amazon narrows list for HQ2.NEWS10: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS11: The 7 Best S&P 500 Value Stocks to Buy Now.
2018-01-19: NEWS1: Cramer: Why Amazon's latest move is a sign to buy the sto....NEWS2: Cramer: This move by Amazon is a clarion call to buy the ....NEWS3: American Express Company Stock — Don’t Leave Your Portfolio Without It.NEWS4: The Bull Run in Wal-Mart Stores Inc Stock Isn’t Over Yet.NEWS5: American Express Company Stock — Don’t Leave Your Portfolio Without It.NEWS6: How Analyst Price Targets for Walmart Are Trending.NEWS7: Here’s Why Walmart Stock Is Trading at Record Levels.NEWS8: The Bull Run in Wal-Mart Stores Inc Stock Isn’t Over Yet.
2018-01-22: NEWS1: Amazon Go Threatens This Wal-Mart Chain, Five Others: Expert.NEWS2: Amazon Go Threatens This Wal-Mart Chain, Five Others: Expert.NEWS3: 7 Quick Ways to Boost Your Wealth in 2018: Cut Your Food Spending.NEWS4: Energy Giant Breaks Out; These 2 Other Leaders Approach Buy Points.NEWS5: Energy Giant Breaks Out; These 2 Other Leaders Approach Buy Points.NEWS6: 3 Extra-Special Dividend Stocks You Should Know About.NEWS7: 3 Extra-Special Dividend Stocks You Should Know About.NEWS8: 3 Extra-Special Dividend Stocks You Should Know About.NEWS9: Amazon Go cashier-free convenience store opens for business.NEWS10: Valuation, Not Speculation, Should Drive Amazon.com, Inc. Stock.NEWS11: Will Office Depot's (ODP) Efforts Prop Up the Stock in 2018?.NEWS12: Will Office Depot's (ODP) Efforts Prop Up the Stock in 2018?.NEWS13: Will Office Depot&apos;s (ODP) Efforts Prop Up the Stock in 2018?.

Answer: Decrease