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:2018-02-20, Stock:VALE, The news for the past five days is as follows:
2018-02-12: NEWS1: Could Cleveland Cliffs and Peers Pop Based on Their Technical Indicators?.NEWS2: Do China’s Steel Demand Indicators Signal Slow Growth in 2018?.
2018-02-13: nan
2018-02-14: NEWS1: After Hours Most Active for Feb 14, 2018 :  BAC, GE, VALE, ORCL, FCX, TEVA.NEWS2: After Hours Most Active for Feb 14, 2018 :  BAC, GE, VALE, ORCL, FCX, TEVA.
2018-02-15: NEWS1: Vale S.A. Continues to Deliver Strong Price Gains, Higher Targets Seen.
2018-02-16: NEWS1: See How Carpenter Technology Corp. Ranks Among Analysts' Top Metals Picks.NEWS2: See How Carpenter Technology Corp. Ranks Among Analysts' Top Metals Picks.NEWS3: Pre-Market Most Active for Feb 16, 2018 :  QQQ, NOK, STM, AAPL, USLV, TEVA, TVIX, FOLD, QCOM, DB, KO, VALE.NEWS4: Pre-Market Most Active for Feb 16, 2018 :  QQQ, NOK, STM, AAPL, USLV, TEVA, TVIX, FOLD, QCOM, DB, KO, VALE.

Answer: Decrease