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:2021-09-01, Stock:BHP, The news for the past five days is as follows:
2021-08-25: nan
2021-08-26: nan
2021-08-27: nan
2021-08-30: NEWS1: BHP considers making COVID vaccinations mandatory at Australian sites.NEWS2: Iron Ore Giant Plans Carbon Targets for Customers in Green Pivot.
2021-08-31: NEWS1: Top Stock Reports for Adobe, Thermo Fisher & BHP Group.NEWS2: Mining Magnate Trumps BHP in Duel for Canadian Nickel Group.NEWS3: UPDATE 3-BHP may match Wyloo's offer in tussle for nickel miner Noront.

Answer: Decrease