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:2018-12-31, Stock:BHP, The news for the past five days is as follows:
2018-12-21: nan
2018-12-24: NEWS1: Stock Market Power Rankings: YouTube Catches Something Viral.NEWS2: Stock Market Power Rankings: YouTube Catches Something Viral.
2018-12-26: NEWS1: Asian Markets Higher After Wall Street Rally.NEWS2: Asian Markets Higher After Wall Street Rally.NEWS3: Australian Market Advances.NEWS4: Australian Market Advances.NEWS5: Barrick Gold Corporation (ABX) Ex-Dividend Date Scheduled for December 27, 2018.NEWS6: Barrick Gold Corporation (ABX) Ex-Dividend Date Scheduled for December 27, 2018.NEWS7: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for December 27, 2018.NEWS8: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for December 27, 2018.NEWS9: Randgold Resources Limited (GOLD) Ex-Dividend Date Scheduled for December 27, 2018.NEWS10: Randgold Resources Limited (GOLD) Ex-Dividend Date Scheduled for December 27, 2018.
2018-12-27: NEWS1: Asian Markets Mostly Higher Amid Cautious Trades.NEWS2: Asian Markets Mostly Higher Amid Cautious Trades.NEWS3: Australian Market Extends Gains.NEWS4: Australian Market Extends Gains.NEWS5: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for December 28, 2018.NEWS6: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for December 28, 2018.NEWS7: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for December 28, 2018.NEWS8: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for December 28, 2018.
2018-12-28: NEWS1: Why Are Analysts Turning Around on Vale?.NEWS2: Factors Driving Rio Tinto’s Earnings Estimates in 2019 and Beyond.NEWS3: Analysts’ Latest Upgrades and Downgrades for Rio Tinto.

Answer: Rise