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:2019-04-02, Stock:RIO, The news for the past five days is as follows:
2019-03-26: NEWS1: Vale’s Production Is Strong, Investors Await Q4 Results.NEWS2: Why Vale’s Problems Will Likely Continue.
2019-03-27: NEWS1: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for March 28, 2019.NEWS2: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for March 28, 2019.NEWS3: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for March 28, 2019.NEWS4: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for March 28, 2019.NEWS5: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for March 28, 2019.NEWS6: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for March 28, 2019.NEWS7: Were Hedge Funds Right About Buying Rio Tinto Group (RIO)?.NEWS8: Rio Tinto Group (LON:RIO) Is A Real Dividend Rock Star - Here Is Why.NEWS9: Lex letter from Lausanne: Miners seek a clean break.
2019-03-28: NEWS1: Freeport-McMoRan’s Valuation: What’s Priced In?.NEWS2: Alcoa Could Be in for Another Challenge.NEWS3: Alcoa’s Outlook Looks Murky amid Conflicting Indicators.NEWS4: Could Iron Ore Gain from Vale’s Large Production Cut Expectation?.NEWS5: Vale’s Q4 Results: Why Analysts’ Sentiments Are Trending Down.NEWS6: Vale’s Dam Burst Has Yet to Fully Reflect in CLF’s Prices.
2019-03-29: NEWS1: EXCLUSIVE: Cyclone Veronica Clobbers Port Walcott - Months Of Disruption.NEWS2: The Downgrades Are Piling Up for Vale after the Dam Disaster.NEWS3: Supply Disruptions Raise Our Near-Term Iron Ore Price Forecast.
2019-04-01: NEWS1: Plan to Mine the Moon Gives Australia Opening in New Space Era.NEWS2: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.NEWS3: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.NEWS4: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.NEWS5: Rusal targets 2021 to roll out carbon-free aluminium.

Answer: Rise