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:2018-05-25, Stock:BHP, The news for the past five days is as follows:
2018-05-18: NEWS1: Should You Invest in the iShares Global Materials ETF (MXI)?.NEWS2: Should You Invest in the iShares Global Materials ETF (MXI)?.NEWS3: Pan American Silver Corp. (PAAS) Ex-Dividend Date Scheduled for May 21, 2018.NEWS4: Pan American Silver Corp. (PAAS) Ex-Dividend Date Scheduled for May 21, 2018.
2018-05-21: nan
2018-05-22: nan
2018-05-23: NEWS1: BHP Billiton Braves Iron-Ore Price Slump on Robust Yield.NEWS2: BHP Billiton Braves Iron-Ore Price Slump on Robust Yield.NEWS3: BHP Billiton Braves Iron-Ore Price Slump on Robust Yield.NEWS4: Wheaton Precious Metals Corp. (WPM) Ex-Dividend Date Scheduled for May 24, 2018.NEWS5: Wheaton Precious Metals Corp. (WPM) Ex-Dividend Date Scheduled for May 24, 2018.NEWS6: Which Mining Company Is the Best Dividend Stock?.NEWS7: Which Mining Company Is the Best Dividend Stock?.NEWS8: Which Mining Company Is the Best Dividend Stock?.
2018-05-24: NEWS1: Why Vale’s Iron Ore Margins Should Remain Supported.NEWS2: 5 Reasons to Love Alcoa Stock…and 3 Not To.NEWS3: Freeport-McMoRan Faces a $3.5 Billion Question.

Answer: Decrease