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:2018-12-12, Stock:BHP, The news for the past five days is as follows:
2018-12-04: nan
2018-12-06: NEWS1: Australian Miner BHP Billiton Faces China Problems of Its Own.NEWS2: BHP Billiton Downgraded by JPMorgan, Added to Goldman’s Buy List.NEWS3: QEP CEO Charles Stanley To Retire; Board Names Timothy Cutt President & CEO.NEWS4: QEP CEO Charles Stanley To Retire; Board Names Timothy Cutt President & CEO.
2018-12-07: NEWS1: What Is Vale’s Iron Ore Price Outlook?.NEWS2: What Will Drive Vale’s Iron Ore EBITDA?.
2018-12-10: NEWS1: Chinese Copper Imports Fell: Not a Reason to Panic Yet.NEWS2: Vale Has Delivered on Deleveraging Plan: What’s Next?.
2018-12-11: NEWS1: How Vale’s Valuation Multiples Look.NEWS2: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for December 12, 2018.NEWS3: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for December 12, 2018.NEWS4: These Factors Could Boost Vale’s Cash Flows Going Forward.

Answer: Rise