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:2019-05-08, Stock:COST, The news for the past five days is as follows:
2019-05-01: NEWS1: The Failed Asda Merger Actually Might Help Walmart Stock.NEWS2: The Failed Asda Merger Actually Might Help Walmart Stock.NEWS3: The Failed Asda Merger Actually Might Help Walmart Stock.
2019-05-02: NEWS1: 3 Large-Cap Stocks for Income Investors to Buy Right Now.
2019-05-03: NEWS1: CSAIL 2015-C2 Commercial Mortgage Trust -- Moody's affirms six classes of CSAIL 2015-C2.NEWS2: Is Costco Wholesale (COST) Outperforming Other Retail-Wholesale Stocks This Year?.NEWS3: Is Costco Wholesale (COST) Outperforming Other Retail-Wholesale Stocks This Year?.NEWS4: Noteworthy ETF Outflows: VT, COST, NKE, BRK.A.NEWS5: Noteworthy ETF Outflows: VT, COST, NKE, BRK.A.NEWS6: Is Costco Wholesale (COST) Outperforming Other Retail-Wholesale Stocks This Year?.NEWS7: Berkshire Director: Nothing indicating downward shift in the economy.
2019-05-06: NEWS1: How Corporate America is prepared for Trump’s 25% tariffs on China.NEWS2: Guide to Buying a Diamond Ring at Costco (COST, TIF).NEWS3: Amazon in prime position for 1-day shipping, Apple's identity crisis, Uber's IPO on deck and white wine emoji outrage.
2019-05-07: NEWS1: Costco (COST) Dips More Than Broader Markets: What You Should Know.NEWS2: Blue Apron's Better Earnings Don't Make It a Buy.NEWS3: Blue Apron's Better Earnings Don't Make It a Buy.NEWS4: Noteworthy Tuesday Option Activity: COST, ULTA, CME.NEWS5: Noteworthy Tuesday Option Activity: COST, ULTA, CME.NEWS6: Is Costco Wholesale Corporation (NASDAQ:COST) A High Quality Stock To Own?.NEWS7: Ex-Dividend Reminder: Walmart, Costco Wholesale and Lithia Motors.NEWS8: Ex-Dividend Reminder: Walmart, Costco Wholesale and Lithia Motors.NEWS9: Nuveen's Saira Malik gives her top stock picks following Monday's dip.NEWS10: See what the IHS Markit Score report has to say about Costco Wholesale Corp..

Answer: Rise