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:2021-02-01, Stock:COST, The news for the past five days is as follows:
2021-01-25: NEWS1: Costco Finally Joins Curbside Pickup Trend With Pilot Program.NEWS2: 2 Top Stocks to Buy With Your $600 Stimulus Check.
2021-01-26: NEWS1: Costco (COST) Gains As Market Dips: What You Should Know.NEWS2: Dollar General Had a Great 2020. It Could Do It Again This Year..NEWS3: Investing in These Stocks Could Make You a Millionaire Retiree.
2021-01-27: nan
2021-01-28: NEWS1: Costco (COST) Gains But Lags Market: What You Should Know.
2021-01-29: NEWS1: 3 Stocks That Could Set You Up for Life.

Answer: Decrease