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:2019-12-19, Stock:CAT, The news for the past five days is as follows:
2019-12-12: NEWS1: You Bought the Trade Rumor. Is It Time to Sell the News?.NEWS2: ‘Post-Chemical World’ Takes Shape as Agribusiness Goes Green.NEWS3: Dow jumps 150 points on gains for Caterpillar, Cisco shares.
2019-12-13: NEWS1: 3 Growth-Focused Cloud Stocks for Tech Investors to Buy for 2020.NEWS2: Hedge Funds Love These 3 Peers Way More Than China Petroleum & Chemical Corp (SNP).NEWS3: Caterpillar's Flat November Sales Mark the Worst in 2019.
2019-12-16: NEWS1: Caterpillar (CAT) Stock Sinks As Market Gains: What You Should Know.NEWS2: The Phase One Trade Deal and its Potential Winners.
2019-12-17: NEWS1: Jim Cramer: The Great Recession Made Us Smarter, Better, Stronger.NEWS2: Caterpillar Celebrates 90 Years on the New York Stock Exchange.
2019-12-18: nan

Answer: Decrease