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:2019-12-18, Stock:ABBV, The news for the past five days is as follows:
2019-12-11: NEWS1: Know These 3 Facts to Avoid Paying Half Your Retirement Income to the IRS - December 11, 2019.NEWS2: Vertex's Kalydeco Gets EU Approval to Treat CF in Infants.NEWS3: Top Research Reports for Novartis, AbbVie & Sanofi.
2019-12-12: NEWS1: Seattle Genetics' Cancer Study Boosts Prospects, Takeover Appeal.NEWS2: AbbVie's 2019 Points to the End of the Efficient Market Thesis - Cramer.NEWS3: The Zacks Analyst Blog Highlights: Novartis, AbbVie, Sanofi, Pioneer Natural Resources and Aqua America.NEWS4: 3 Investing Facts About Required Minimum Distributions You Need to Know - December 12, 2019.NEWS5: Should We Worry About AbbVie Inc.'s (NYSE:ABBV) P/E Ratio?.
2019-12-13: NEWS1: Know These 3 Facts to Avoid Paying Half Your Retirement Income to the IRS - December 11, 2019 (Revised).NEWS2: Biotech Stocks Burn A Hole In Big Pharma's Pocket; Look For More Mergers In 2020.NEWS3: 5 Cheap Dividend Stocks With High Yields And Annual Increases.NEWS4: Retirees Should Know These 3 Facts About Required Minimum Distributions - December 13, 2019.NEWS5: Walgreens, AbbVie, and 3 Other Dividend Aristocrat Stocks That Have Lagged the Market This Year.
2019-12-16: NEWS1: AbbVie (ABBV) Outpaces Stock Market Gains: What You Should Know.NEWS2: How to Maximize Your Retirement Portfolio with These Top-Ranked Dividend Stocks - December 16, 2019.
2019-12-17: NEWS1: Morphic Holding Tabbed as Likely to Develop Blockbuster Drug.

Answer: Decrease