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:2018-01-31, Stock:RIO, The news for the past five days is as follows:
2018-01-24: NEWS1: US Corporate Tax Rate Likely to Impact BHP Billiton.NEWS2: 3 Stocks Poised To Gain On A 10% Plunge In Dollar.NEWS3: Here's What to Expect From Freeport-McMoRan's Q4 Results.NEWS4: Here's What to Expect From Freeport-McMoRan's Q4 Results.NEWS5: U.S. SEC says Rio Tinto, ex-CEO, ex-CFO must face fraud case.NEWS6: U.S. SEC says Rio Tinto, former CEO, former CFO must face fraud case.NEWS7: SEC says Rio Tinto, ex-CEO, ex-CFO must face fraud case.
2018-01-25: NEWS1: [$$] Freeport Reports Progress on Indonesia Talks, but Issues Linger.NEWS2: Rio Tinto Talks Loom as a Lifeline for Freeport in Indonesia.NEWS3: BHP Billiton Outlook: Iron Ore Volumes Flat.NEWS4: At $78.2, Is It Time To Buy Rio Tinto Limited (ASX:RIO)?.
2018-01-26: NEWS1: Freeport-McMoRan Copper & Gold (FCX) Q4 2017 Earnings Conference Call Transcript.NEWS2: Despite Earnings Beat, Concerns Linger for Freeport-McMoRan Inc Stock.NEWS3: Despite Earnings Beat, Concerns Linger for Freeport-McMoRan Inc Stock.NEWS4: RIO September 21st Options Begin Trading.NEWS5: RIO September 21st Options Begin Trading.NEWS6: Rio Tinto lifts force majeure on copper, acid from U.S. mine.NEWS7: Freeport-McMoRan’s 4Q17 Earnings: What You Need to Know.NEWS8: Mesabi Trust (MSB) Ex-Dividend Date Scheduled for January 29, 2018.NEWS9: Mesabi Trust (MSB) Ex-Dividend Date Scheduled for January 29, 2018.NEWS10: [$$] Freeport Reports Progress on Indonesia Talks, but Issues Linger.
2018-01-29: NEWS1: What Record Iron Ore Shipments from Port Hedland Mean for Prices.NEWS2: Can Iron Ore Prices Improve in 2018?.NEWS3: Can Global Mining Stocks Generate Sustainable Free Cash, Dividends?.NEWS4: Freeport-McMoRan Is Positive on Copper’s Outlook.NEWS5: U.K. stocks end higher, boosted by pound’s pullback.NEWS6: Revisiting My Brexit Friday Buy Calls On Shell, BP, Rio Tinto, BHP Billiton And Diageo.NEWS7: Could We See Valuation Upside for BHP in 2018?.
2018-01-30: NEWS1: Can China’s Steel Production Support Iron Ore Prices in 2018?.NEWS2: China’s 2017 Iron Ore Imports Hit Record High: How’s 2018 Looking?.NEWS3: Iron Ore Port Inventories Hit a New High, Prices Reel.NEWS4: What’s the Best Outcome for Freeport in Indonesia?.

Answer: Decrease