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:2019-12-12, Stock:COST, The news for the past five days is as follows:
2019-12-05: NEWS1: Beyond Meat Strikes Costco Deal: Should Investors Buy BYND Stock?.NEWS2: Beyond Meat burgers to debut at select Costco stores.NEWS3: Costco (COST) Reports Next Week: Wall Street Expects Earnings Growth.NEWS4: Beyond Meat burgers to be sold at some Costco stores.NEWS5: UPDATE 1-Beyond Meat burgers to be sold at some Costco stores.NEWS6: Zacks Earnings Trends Highlights: Costco, Adobe, FedEx and General Mills.NEWS7: Here's How lululemon (LULU) Looks Ahead of Q3 Earnings.NEWS8: Dollar General (DG) Beats on Q3 Earnings, Raises FY19 View.
2019-12-06: NEWS1: Previewing the Q4 2019 Earnings Season.NEWS2: Urbem's 'Wonderful Business' Series: Tractor Supply.NEWS3: Target, Gap, Beyond Meat, McDonald's and Costco highlighted as Zacks Bull and Bear of the Day.NEWS4: Costco Sustains Decent Comparable Sales Run in November.NEWS5: 20 businesses that died in the 2010s.NEWS6: Beware the Valuation of Costco Stock.NEWS7: AutoZone (AZO) Poised for an Earnings Beat in Q1: Here's Why.
2019-12-09: NEWS1: Here's Why Costco (COST) Q1 Earnings Are Likely to Improve.NEWS2: AutoZone, Oracle, Costco, Adobe Systems and JPMorgan are part of Zacks Earnings Preview.NEWS3: Costco, lululemon, Oracle and Other Stocks for Investors to Watch This Week.NEWS4: A $75.5 Million Valuation for Astralis, and Two More Numbers to Know.
2019-12-10: NEWS1: Buy Costco (COST) Stock Ahead of Q1 Earnings?.NEWS2: Target unleashed major sales gains by revamping staff.NEWS3: Stocks Showing Rising Market Leadership: Costco Wholesale Earns 82 RS Rating.NEWS4: Costco (COST) to Post Q1 Earnings: Comps to Play a Key Role.NEWS5: Costco Earnings Are Coming. Here’s What to Expect..NEWS6: Costco buys Issaquah movie theater property for future HQ expansion.
2019-12-11: NEWS1: Buy Amazon (AMZN) Stock on the Dip Before a 2020 Rally?.NEWS2: Georgetown approves incentives for Costco store.

Answer: Rise