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:2018-02-21, Stock:BHP, The news for the past five days is as follows:
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.
2018-02-20: NEWS1: BHP Billiton Limited -- Moody's: BHP's first half fiscal 2018 performance is credit positive.NEWS2: Market Chatter: Shell Interested in BHP Assets.NEWS3: Market Chatter: Shell Interested in BHP Assets.NEWS4: Mid-Day Market Update: Fogo De Chao Gains On Acquisition News; Ubiquiti Networks Shares Slide.NEWS5: Mid-Day Market Update: Fogo De Chao Gains On Acquisition News; Ubiquiti Networks Shares Slide.NEWS6: Midday Update: Dow Weighed by Walmart While S&P and Nasdaq Climb off Lows.NEWS7: Midday Update: Dow Weighed by Walmart While S&P and Nasdaq Climb off Lows.NEWS8: FTSE 100 book slight loss as buying cools after HSBC, BHP quarterly results.NEWS9: European stocks revived as euro drops, but HSBC, BHP Billiton updates disappoint.NEWS10: Interesting BHP Put And Call Options For April 20th.NEWS11: Interesting BHP Put And Call Options For April 20th.NEWS12: Shell Shows Interest in BHP Assets.NEWS13: BHP CEO Sees Lots of Interest in $10 Billion Shale Unit.NEWS14: Futures Buckle As Walmart Results Disappoint; Treasury Yields Spike Ahead of Supply.NEWS15: Futures Buckle As Walmart Results Disappoint; Treasury Yields Spike Ahead of Supply.NEWS16: Energy Sector Update for 02/20/2018: USO, UNG, BHP, DUK, APC, TOT.NEWS17: Energy Sector Update for 02/20/2018: USO, UNG, BHP, DUK, APC, TOT.NEWS18: BHP boosts dividend as half-year profit jumps 25%.NEWS19: S&P 500, Dow Jones Futures Point To Lower Open After Walmart, BHP Earnings.NEWS20: [$$] BHP Willing to Talk About Activist's Overhaul Plan.NEWS21: [$$] BHP pushes back on call to consolidate into single-listed group.NEWS22: Disappointing HSBC update, weak miners keep FTSE in the red.NEWS23: FTSE 100 sags as investors hesitate after HSBC, BHP results.NEWS24: BHP boosts dividend as half-year profit jumps 25 pct, costs rise.NEWS25: Miners are now a picture of health, analyst says.NEWS26: BHP CEO to Meet With Activist Elliott to Discuss Overhaul Demand.NEWS27: BHP Speeds Up Plans to Exit U.S. Shale Unit.NEWS28: BHP CEO says to meet activist investor Elliott this week.NEWS29: BHP Sees Faster Shale Sale in Race to Exit $10 Billion Unit.NEWS30: BHP CEO: Working patiently with board on dual listing.NEWS31: BHP and Elliott Can Get to Yes.NEWS32: [$$] BHP announces best half year profits since 2014, declares bumper dividend.NEWS33: [$$] BHP Raises Dividend Sharply Despite 1H Profit Fall.NEWS34: BHP Rebuffs Elliott as First-Half Profit Hits Three-Year High.NEWS35: BHP Billiton H1 Profit Plunges On US Tax Charge; Stock Down.NEWS36: BHP Billiton H1 Profit Plunges On US Tax Charge; Stock Down.NEWS37: [$$] BHP’s investors may balk at unification if FTSE 100 membership jeopardised: CEO.NEWS38: Amended: BHP Billiton H1 Profit Down - Quick Facts.NEWS39: Amended: BHP Billiton H1 Profit Down - Quick Facts.NEWS40: [$$] BHP: plugging the wells.NEWS41: BHP Billiton H1 Profit Down; Cuts FY18 Copper Volume Growth View - Quick Facts.NEWS42: BHP Billiton H1 Profit Down; Cuts FY18 Copper Volume Growth View - Quick Facts.

Answer: Decrease