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:2018-08-13, Stock:COST, The news for the past five days is as follows:
2018-08-06: NEWS1: Need New Contact Lenses? Warehouse Clubs Offer Better Deals.NEWS2: Why Costco Stock May See a Big Pullback.NEWS3: Meal-Kit Provider Chef'd Closes; Is Blue Apron Next?.NEWS4: Meal-Kit Provider Chef'd Closes; Is Blue Apron Next?.NEWS5: These 12 Retailers and Restaurants Are Adding Locations.NEWS6: Meal-Kit Provider Chef&apos;d Closes; Is Blue Apron Next?.
2018-08-07: NEWS1: Cramer's charts say Costco and Target are ready for pullb....NEWS2: Charts say Costco, Target ready for pullbacks, Walmart a ....NEWS3: Cramer's charts say Costco and Target are ready for pullbacks, but Walmart's a buy.NEWS4: Notable Tuesday Option Activity: CRL, ESRX, COST.NEWS5: Notable Tuesday Option Activity: CRL, ESRX, COST.NEWS6: Buy Amazon (AMZN) Stock On Possible Gas Station & Travel Push?.NEWS7: Can Walmart Sustain Its Top-Line Momentum in Fiscal Q2?.NEWS8: Why Walmart’s Fiscal Q2 Results Could Be Key for Its Stock.
2018-08-08: NEWS1: Costco Wholesale Corporation Reports July Sales Results.NEWS2: Analysts’ Recommendations for Walmart, Pre-fiscal Q2 Results.NEWS3: Walmart Inc. (WMT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS4: Walmart Inc. (WMT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS5: What Analysts Expect for Walmart’s EPS in Fiscal Q2.NEWS6: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS7: Why Stocks Keep Charging: Cramer's 'Mad Money' Recap (Tuesday 8/7/18).
2018-08-09: NEWS1: Organic dairy farmers vow to compete in changing industry.NEWS2: Even Costco Needs to Cool Off Once in a While.NEWS3: Costco Seems Overvalued despite Strong Earnings Growth.NEWS4: Should Charlie Munger Buy More Costco Stock?.NEWS5: Should Charlie Munger Buy More Costco Stock?.NEWS6: Morning Movers: Dow Creeps Higher as Costco, Viacom Fall.NEWS7: Morning Movers: Dow Creeps Higher as Costco, Viacom Fall.NEWS8: Stocks Near Record Highs; This Hot IPO Stock Breaks Out On EPS Beat.NEWS9: Will Walmart and Target’s Digital Initiatives Hurt Costco?.NEWS10: Analyzing Costco’s Performance in July.NEWS11: Should Charlie Munger Buy More Costco Stock?.NEWS12: Organic dairy farmers vow to compete in changing industry.
2018-08-10: NEWS1: Costco Wholesale Corporation: Another Month of Stellar Sales.NEWS2: Costco Wholesale Corporation: Another Month of Stellar Sales.NEWS3: Costco Wholesale Corporation: Another Month of Stellar Sales.NEWS4: Today’s Research Reports on Stocks to Watch: Rite Aid and Costco.NEWS5: Costco: Why Analysts Are Bullish on the Stock.

Answer: Decrease