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:2019-11-18, Stock:BBL, The news for the past five days is as follows:
2019-11-11: NEWS1: Miner BHP taps oil, gas for growth after shale exit.
2019-11-12: NEWS1: Chilean copper mines struggle on despite protest road blocks and shift delays.
2019-11-13: nan
2019-11-14: NEWS1: The World’s Top Miner Appoints Its Next CEO.NEWS2: BHP’s New CEO Has Lessons From Japan To Beat China Slowdown.NEWS3: Calm, considered, Henry to steer BHP through choppy times.NEWS4: BHP’s New Boss Shows Mining Is Still Nervous.NEWS5: Factbox: New BHP CEO Henry to drive efficiencies, focus on social licence.NEWS6: Global miner BHP taps Australia head Henry as new CEO.
2019-11-15: NEWS1: CEO exodus hits record as BHP boss jumps ship.NEWS2: Public consultation launched on global tailings dam standards.

Answer: Decrease