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:2018-12-14, Stock:VALE, The news for the past five days is as follows:
2018-12-07: NEWS1: What Is Vale’s Iron Ore Price Outlook?.NEWS2: What Will Drive Vale’s Iron Ore EBITDA?.NEWS3: Vale Stock Could Benefit from Focus on Shareholder Returns.
2018-12-10: NEWS1: Chinese Copper Imports Fell: Not a Reason to Panic Yet.NEWS2: Vale Has Delivered on Deleveraging Plan: What’s Next?.NEWS3: Vale Is Getting Ready for the Electric Vehicle Revolution.NEWS4: How Does Vale Plan to Unlock Value in Coal?.
2018-12-11: NEWS1: Can Industrial Metals Make a Comeback? (RIO, FCX).NEWS2: How Vale’s Valuation Multiples Look.
2018-12-12: NEWS1: Is the Party Over for Commodities as China Steel Feels the Heat?.NEWS2: Weakening Outlook Keeps Pushing Chinese Steel Prices Lower.NEWS3: China’s Iron Ore Imports Have Fallen, Outlook Remains Muted.
2018-12-13: NEWS1: Vale Bolsters Case for Takeover of BHP JV With Acquisition.NEWS2: Will Chinese Steel Mills’ Pains Intensify with the Trade War?.

Answer: Decrease