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:2018-02-15, Stock:VALE, The news for the past five days is as follows:
2018-02-08: NEWS1: March 29th Options Now Available For Vale.NEWS2: March 29th Options Now Available For Vale.
2018-02-09: NEWS1: Cleveland-Cliffs: China Iron Ore Demand Strong, Low Grades Suffer.NEWS2: Cleveland-Cliffs and Volatile Seaborne Iron Ore Prices.
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.

Answer: Rise