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:2018-02-28, Stock:VALE, The news for the past five days is as follows:
2018-02-21: NEWS1: 4 Affordable Breakout Stocks for Stupendous Returns.NEWS2: 4 Affordable Breakout Stocks for Stupendous Returns.NEWS3: 6 Cobalt Stocks To Watch Amid Reports Apple Is In The Market To Buy The Metal Directly.NEWS4: ILF, ITUB, VALE, BBD: ETF Inflow Alert.NEWS5: ILF, ITUB, VALE, BBD: ETF Inflow Alert.NEWS6: 4 Affordable Breakout Stocks for Stupendous Returns.
2018-02-22: NEWS1: Zacks.com featured highlights include: Vale, Fibria, TechTarget and CBIZ.NEWS2: Zacks.com featured highlights include: Vale, Fibria, TechTarget and CBIZ.NEWS3: Zacks.com featured highlights include: Vale, Fibria, TechTarget and CBIZ.NEWS4: Copper Miners Face Cost Pressure as Input Costs Rise.
2018-02-23: NEWS1: Why Iron Ore Prices Are Defying Expectations of a Pullback.NEWS2: BHP Billiton's (BHP) 1H FY18 Earnings & Revenues Up Y/Y.NEWS3: BHP Billiton's (BHP) 1H FY18 Earnings & Revenues Up Y/Y.
2018-02-26: NEWS1: Why Iron Ore Exports Aren’t Slowing Down Anytime Soon.NEWS2: Analysts’ Take on Iron Ore Prices in 2018.
2018-02-27: NEWS1: Vale 4th-qtr profit misses as costs rise, forex weighs.NEWS2: Brazil's Vale misses profit estimates for 4th quarter.NEWS3: What to Expect From Vale’s Fourth Quarter Results.NEWS4: What to Expect From Vale’s Fourth Quarter Results.NEWS5: Does Vale SA.’s (NYSE:VALE) PE Ratio Signal A Buying Opportunity?.NEWS6: Vale Sails New `Green' Ship in Bid to Cut Rivals China Advantage.NEWS7: Will China’s Steel Production Pick Up after March 2018?.NEWS8: Buy These 6 Latin America Stocks for Strong Gains in 2018.NEWS9: Buy These 6 Latin America Stocks for Strong Gains in 2018.NEWS10: China’s Iron Ore Imports Near Record-High: Impact on Prices.NEWS11: Buy These 6 Latin America Stocks for Strong Gains in 2018.NEWS12: The Gap between Iron Ore Port Inventories and Commodity Prices.

Answer: Decrease