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:2019-02-01, Stock:RIO, The news for the past five days is as follows:
2019-01-25: NEWS1: Is Freeport-McMoRan Preparing for an Eventual Sale?.
2019-01-28: NEWS1: Why China’s Iron Ore Demand Could Soon Weaken.NEWS2: Asian Markets Lower After U.S. Files Criminal Charges Against Huawei.NEWS3: Asian Markets Lower After U.S. Files Criminal Charges Against Huawei.NEWS4: Australian Market Declines.NEWS5: Australian Market Declines.NEWS6: Could China’s Slowdown Weigh on Iron Ore Prices This Year?.NEWS7: Mesabi Trust (MSB) Ex-Dividend Date Scheduled for January 29, 2019.NEWS8: Mesabi Trust (MSB) Ex-Dividend Date Scheduled for January 29, 2019.NEWS9: Freeport-McMoRan: Should You Think Like Warren Buffett.NEWS10: [$$] UK mining stocks rally on expectation for rising iron ore prices.NEWS11: [$$] The London Report: Talk of M&S deal lifts Ocado.NEWS12: MarketPulse Europe - Miners Buck Gloomy Trend Ahead of Fed, Key Trade Talks.NEWS13: [$$] Vale: mud blow.
2019-01-29: NEWS1: Asian Markets Mostly Lower Ahead Of Fed Decision, Trade Talks.NEWS2: Asian Markets Mostly Lower Ahead Of Fed Decision, Trade Talks.NEWS3: Australian Market Modestly Higher.NEWS4: Australian Market Modestly Higher.NEWS5: What China’s Steel Price Trends Could Mean for Iron Ore Miners.NEWS6: China’s Steel Production Outlook Remains Muted.NEWS7: Mongolia, overseas investigators probe Oyu Tolgoi corruption claims as ex-minister re-arrested.NEWS8: De Beers Diamond Sales Plunge.
2019-01-30: NEWS1: Asian Markets Higher On Dovish Fed.NEWS2: Asian Markets Higher On Dovish Fed.NEWS3: Australian Market Edges Higher.NEWS4: Australian Market Edges Higher.NEWS5: Shares of Iron Ore Stocks Soar After Vale's Production Cuts.NEWS6: Shares of Iron Ore Stocks Soar After Vale's Production Cuts.NEWS7: New Strong Buy Stocks for January 30th.NEWS8: New Strong Buy Stocks for January 30th.NEWS9: Why Is Cleveland-Cliffs Stock Soaring More than 15% Today?.NEWS10: New Strong Buy Stocks for January 30th.NEWS11: Cleveland-Cliffs' stock soars to pace NYSE gainers after Vale cuts iron ore production.NEWS12: [$$] Australian miners head for best day in 2 years on Brazil worries.NEWS13: Could China Balance Growth with Risk through Credit Growth?.NEWS14: Vale's Brazil disaster to prompt buyers to take more Australian iron ore.NEWS15: Former Mongolia minister in corruption probe released on bail.NEWS16: [$$] Vale to cut iron ore production by 10% after Brazil disaster.NEWS17: [$$] Vale to cut production 10% as miner responds to Brazil disaster.NEWS18: Asian Shares Mixed Despite Apple Relief.NEWS19: Asian Shares Mixed Despite Apple Relief.
2019-01-31: NEWS1: Northwest Acquisitions ULC -- Moody's downgrades Northwest Acquisition to B3; outlook Stable.NEWS2: Asian Markets Pare Gains After China Manufacturing Data.NEWS3: Asian Markets Pare Gains After China Manufacturing Data.NEWS4: Australian Market Modestly Higher.NEWS5: Australian Market Modestly Higher.NEWS6: [$$] Australian miners head for best week since 2016 as Vale fallout widens.

Answer: Decrease