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:2019-05-31, Stock:BHP, The news for the past five days is as follows:
2019-05-23: nan
2019-05-24: nan
2019-05-28: NEWS1: iShares Commodities Select Strategy ETF Experiences Big Outflow.NEWS2: iShares Commodities Select Strategy ETF Experiences Big Outflow.NEWS3: Potash producer Nutrien eyes expansion as BHP ponders entry.NEWS4: Potash producer Nutrien eyes mine expansions over next decade.NEWS5: Why Iron Ore Prices Are Bucking the Downtrend in Metals Prices.
2019-05-29: NEWS1: Barrick Gold Corporation (GOLD) Ex-Dividend Date Scheduled for May 30, 2019.NEWS2: Barrick Gold Corporation (GOLD) Ex-Dividend Date Scheduled for May 30, 2019.NEWS3: Agnico Eagle Mines Limited (AEM) Ex-Dividend Date Scheduled for May 30, 2019.NEWS4: Agnico Eagle Mines Limited (AEM) Ex-Dividend Date Scheduled for May 30, 2019.NEWS5: This Miner Wins in a Trade Truce or Trade War.
2019-05-30: nan

Answer: Decrease