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:2019-02-12, Stock:RIO, The news for the past five days is as follows:
2019-02-05: NEWS1: The Zacks Analyst Blog Highlights: UnitedHealth, Banco Bradesco, Itau, Banco Santander and Rio.NEWS2: The Zacks Analyst Blog Highlights: UnitedHealth, Banco Bradesco, Itau, Banco Santander and Rio.NEWS3: The Zacks Analyst Blog Highlights: UnitedHealth, Banco Bradesco, Itau, Banco Santander and Rio.NEWS4: [$$] Australian miners climb after Vale ordered to halt dam use.NEWS5: Gold deal rush sweeps by broader mining sector.NEWS6: Asian Shares Mixed In Thin Holiday Trade.NEWS7: Asian Shares Mixed In Thin Holiday Trade.
2019-02-06: NEWS1: Asian Markets Mostly Higher.NEWS2: Asian Markets Mostly Higher.NEWS3: Australian Market Advances.NEWS4: Australian Market Advances.NEWS5: Rio Tinto (Commercial Paper) plc -- Moody's upgrades all Rio Tinto Group ratings to A2; outlook stable.NEWS6: The Latest Updates From the Vale Dam Disaster in Brazil.NEWS7: Hi-Crush (HCLP) Q4 Earnings Miss, Revenues Beat Estimates.NEWS8: Hi-Crush (HCLP) Q4 Earnings Miss, Revenues Beat Estimates.NEWS9: Hi-Crush (HCLP) Q4 Earnings Miss, Revenues Beat Estimates.
2019-02-07: NEWS1: Ashland (ASH) Beats Q1 Earnings, Misses Revenue Estimates.NEWS2: Ashland (ASH) Beats Q1 Earnings, Misses Revenue Estimates.NEWS3: Royal Gold (RGLD) Earnings Beat Estimates in Q2, Rise Y/Y.NEWS4: Royal Gold (RGLD) Earnings Beat Estimates in Q2, Rise Y/Y.NEWS5: Royal Gold (RGLD) Earnings Beat Estimates in Q2, Rise Y/Y.NEWS6: Ashland (ASH) Beats Q1 Earnings, Misses Revenue Estimates.NEWS7: Vale: More Issues after the Dam Disaster.NEWS8: Asian Shares Mixed As Investors Await US-China Talks.NEWS9: Asian Shares Mixed As Investors Await US-China Talks.
2019-02-08: NEWS1: Which Analysts Expect Iron Ore Prices to Breach $100 and Why?.NEWS2: Vale’s Loss Is Its Peers’ Gain—More Upside for Miners?.NEWS3: ArcelorMittal's (MT) Earnings and Revenues Rise Y/Y in Q4.NEWS4: Will Iron Ore Breach $100 in the Wake of Vale’s Dam Collapse?.NEWS5: See How Hecla Mining Ranks Among Analysts' Top Metals Picks.NEWS6: See How Hecla Mining Ranks Among Analysts' Top Metals Picks.NEWS7: Arconic (ARNC) Beats Earnings & Revenue Estimates in Q4.NEWS8: Steel Dynamic to Buy 75% Stake in United Steel Supply.NEWS9: Southern Copper Corporation (SCCO) Ex-Dividend Date Scheduled for February 11, 2019.NEWS10: Southern Copper Corporation (SCCO) Ex-Dividend Date Scheduled for February 11, 2019.NEWS11: [$$] Stocks to watch: Anglo American, Centrica, Superdry, Daimler, Unite.
2019-02-11: NEWS1: The Remote Island Sitting on $58 Billion of Gold and Copper.NEWS2: Why Rio Tinto Stock Soared 12.3% in January.NEWS3: Why Rio Tinto Stock Soared 12.3% in January.NEWS4: Why Rio Tinto Stock Soared 12.3% in January.NEWS5: Steel Dynamic to Buy 75% Stake in United Steel Supply.NEWS6: Steel Dynamic to Buy 75% Stake in United Steel Supply.NEWS7: Arconic (ARNC) Beats Earnings & Revenue Estimates in Q4.NEWS8: Arconic (ARNC) Beats Earnings & Revenue Estimates in Q4.NEWS9: ArcelorMittal's (MT) Earnings and Revenues Rise Y/Y in Q4.NEWS10: ArcelorMittal's (MT) Earnings and Revenues Rise Y/Y in Q4.NEWS11: Why Iron Ore Is Up 20% This Year.

Answer: Rise