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:BHP, The news for the past five days is as follows:
2018-02-12: NEWS1: Teck Resources’ 4Q17 Earnings: What Analysts Are Projecting.NEWS2: Do China’s Steel Demand Indicators Signal Slow Growth in 2018?.
2018-02-13: NEWS1: Can ArcelorMittal Succeed in India by Acquiring Essar Steel?.NEWS2: S&P upgrades Rio Tinto, flags well-placed for M&A.NEWS3: FTSE 100 ends with a loss, with investors on edge.NEWS4: Can We Blame Last Year’s Euphoria for Copper’s Recent Woes?.NEWS5: S&P upgrades Rio Tinto, flag well-placed for M&A.NEWS6: Australia's BHP flags $1.8 billion charge from U.S. tax reform.NEWS7: Australia's BHP flags $1.8 billion charge from U.S. tax reform.NEWS8: [$$] BHP Flags Tax Hit After Change in U.S. Corporate Rate.NEWS9: BHP Billiton Expects Income Tax Expense Of $1.8 Bln Due To U.S. Tax Reform.NEWS10: BHP Billiton Expects Income Tax Expense Of $1.8 Bln Due To U.S. Tax Reform.
2018-02-14: nan
2018-02-15: NEWS1: BHP Billiton expects drilling of first new Trion well to begin in October.NEWS2: How Analysts Rate Southern Copper after 4Q17 Earnings.
2018-02-16: NEWS1: Friday's ETF with Unusual Volume: VPL.NEWS2: Friday's ETF with Unusual Volume: VPL.NEWS3: What You Must Know About BHP Billiton Limited’s (ASX:BHP) Financial Strength.NEWS4: BHP Billiton to drill two new deepwater wells in Trion this year.NEWS5: BHP Billiton to drill two new deepwater wells in Trion this year.

Answer: Decrease